The paper listed below is available on a website of Mediterranean Raptor Migration Network. To know the latest news of this non-profit community just follow the FB page of the organisation.
• Panuccio M., Lucia G., Agostini N., Ottonello D. & Bogliani G., 2014 – Motion capacity, geography and ecological features explain the present distribution of a migratory top predator // Ecological Research DOI: 10.1007/s11284-014-1226-2. – 
(En).
These articles were published in 2012-2013. They all are dedicated to studies of migration of Short-toed Eagles. Now the full texts can be found on a site of Mediterranean Raptor Migration Network, on the section of papers:
• Ugo Mellone, Ruben Limiñana, Pascual López-López, Giuseppe Lucia, Egidio Mallìa, Marta Romero & Vicente Urios, 2013 – Tra Europa e Africa: i movimenti di falco della Regina Falco eleonorae, grillaio Falco naumanni e biancone Circaetus gallicus rivelati dalla telemetria satellitare [Between Europe and Africa: movements of Eleonora’s Falcon, Lesser Kestrel and Short-toed Snake Eagle as revealed by satellite telemetry] // Proceedings of the XVII Italian Ornithological Congress. Trento, September 2013: pp. 142-143. – (It).
• Michele Panuccio, Nicolantonio Agostini, Luca Baghino & Giuseppe Bogliani, 2013 – Visible Migration of Short-Toed Snake-Eagles: Interplay of Weather and Topographical Features // Journal of Raptor Research 47(1): pp. 60-68. – (En).
• Michele Panuccio, Nicolantonio Agostini & Guido Premuda, 2012 – Ecological barriers promote risk minimization strategy and social learning in migrating Short-toed Snake Eagles // Ethology Ecology & Evolution, 24.1: pp. 74-80. – (En).
The first article is placed on the LPO Coordination Rhône-Alpes website and dedicated to Short-toed Eagles of the Rhône Department /map/:
• Bertrand DI NATALE, 2005 – Le Circaète Jean-le-Blanc Circaetus gallicus dans le Rhône [Short-toed Eagle in the Rhône] // L’EFFRAIE, La revue du CORA Rhône, n° 16: P. 33-38. – (Fr).
The next two texts can be viewed on the DZPPS site. They are about observations of Short-toed Eagles in Serbia, in Northern Bačka /map/ and also in the Vršac Mountains /map/ (Sr):
• O. Sekereš, 2008 – Dugotrajno zadržavanje zmijara Circaetus gallicus na području Bačke i Banata tokom 2008 [Long-term stay of Short-toed Eagle in Bačka and Banat during 2008] // Ciconia, 17: P. 34-37. – .
• M. Vučanović, 2008 – Podaci o biologiji gnežđenja zmijara Circaetus gallicus na Vršačkim planinama [Data on breeding biology of Short-toed Eagle in the Vršac Mountains] // Ciconia, 17: P. 38-43. – .
A full text of the following new article is not available for free, but you can view the abstract and references (En):
• Michele Panuccio and Nicolantonio Agostini, 2013 – Visible Migration of Short-Toed Snake-Eagles: Interplay of Weather and Topographical Features // Journal of Raptor Research, 47(1): P. 60-68.
The abstract of a new article (dedicated to Circaetus gallicus) from Guido Premuda, Nicolantonio Agostini and Michele Panuccio is available on the Taylor & Francis Online website (En):
• PANUCCIO M., AGOSTINI N., PREMUDA G., 2012 – Ecological barriers promote risk minimization strategy and social learning in migrating short-toed snake eagles // Ethology Ecology & Evolution, 24.1: 74-80.
MEDRAPTORS – Mediterranean Raptor Migration Network. There is a list of different publications on the site with a new one on migrating Short-toed Eagles. Nicolantonio Agostini, Ugo Mellone, Michele Panuccio, Giuseppe Lucia, Marco Gustin are its co-authors:
• Agostini N., Panuccio M., Lucia G., Liuzzi C., Amato P., Provenza A., Gustin M. & Mellone U., 2009 – Evidence for age-dependent migration strategies in the Short-toed Eagle // British Birds 102(9): 506-508. – (En).
Please read the text written by Guido Premuda together with Andrea Corso dedicated to determination of Short-toed Eagle’s age and sex by plumage characters: Il piumaggio del Biancone: età, sesso e morfismo (It) which could be used as a hand book for the field work.
Also the photo and a list of full texts of Premuda’s articles dedicated to Short-toed Eagle can be found here (the source is his own website – Sunbird.it):
• PREMUDA G., 2004 – Prime osservazioni della migrazione primaverile “a circuito” del Biancone, Circaetus gallicus, nelle Alpi Apuane // Rivista Italiana di Ornitologia, 74 (2): 119-124. – (It).
• PREMUDA G., 2004 – Osservazione di un dormitorio di Biancone, Circaetus gallicus, e considerazioni sul piumaggio degli immaturi // Rivista Italiana di Ornitologia, 74(1): 76-80. – (It) (translatable form).
• PREMUDA G., 2004 – La migrazione del Biancone Circaetus gallicus in Italia: stato delle conoscenze attuali. In: Atti del Convegno “Rapaci in volo verso l’Appennino” // Corpo Forestale dello Stato – Gestione ex ASFD di Lucca – Riserva Naturale Statale dell’Orecchiella, 21-24. – (It) (translatable form).
• AGOSTINI N., BAGHINO L., PANUCCIO M., PREMUDA G. & PROVENZA A., 2004 – The autumn migration strategies of adult and juvenile short-toed eagles Circaetus gallicus in the central Mediterranean // Avocetta, 28: 25-28. – (En).
• PREMUDA G., 2002 – Primi dati sulla migrazione post-riproduttiva del Biancone, Circaetus gallicus, nelle Alpi Apuane // Rivista Italiana di Ornitologia, 71(2): 181-186. – (It) (translatable form).
• AGOSTINI N., BAGHINO L., COLEIRO C., CORBI F. & PREMUDA G., 2002 – Circuitous autumn migration in Short-toed Eagle Circaetus gallicus // Journal of Raptor Research., 36(2): 111-114. – (En) (translatable form).
• AGOSTINI N., BAGHINO L., PANUCCIO, M. & PREMUDA G., 2002 – A conservative strategy in migrating Short-toed Eagles Circaetus gallicus // Ardeola, 49(2): 287-291. – (En).