International Defense Review 1977-06, article on T-72 tank text version     and some pics from it, photographed separately   same pics and drawings from IDR's article, of what actually was T-64, or may be T-64A, are available usually in somewhat better quality in pdfs of Armor magazine 1977-01-02 and 1978-01-02 (scanned by GoogleBooks and other institutions, and available online at hathitrust.org, and benning.army.mil and/or dvidshub.net, and/or there).