Today I checked the homepage of the Turkish Ministry of Culture on new publications.
You can find information about Ani and Armenian architecture in the following publications which can be downloaded for free:
http://www.kulturvarliklari.gov.tr/dosyagoster.aspx?DIL=1&BELGEANAH=256636&DOSYAISIM=30.Kazi.2.pdf.pdf
- Yasar ÇORUHLU: YENi DÖNEM ANi KAZILARI 2006-2007 CALISMALARI, p. 301
http://www.kulturvarliklari.gov.tr/dosyagoster.aspx?DIL=1&BELGEANAH=256637&DOSYAISIM=26.Arastirma.3.pdf.pdf
- Bülent Nuri KILAVUZ: ORTACAG ve SONRASI MUS iLi YÜZEY ARASTIRMASI - 2007, p. 377
In addition to that you can find a lot of interesting articles on byzantine remains as well. Here is the URL for access to all the e-books:
http://www.kulturvarliklari.gov.tr/BelgeGoster.aspx?F6E10F8892433CFFF7BA884A184682F147781BA04CF87390