BIBLIOGRAPHY CONTRIBUTOR Andrey Bertel's First name Andrey Last name Bertel's Bibliography entries by this contributor Bertel's, Andrey. 1952. Nasir-I Khosrow I Yego Vremya. Avtoreferat Dissertatsii Na Soiskanie Uchenoy Stepeni Kandidata Arkhitektury, Istoricheskikh, Meditsinskikh, Pedagogicheskiikh, Filologicheskikh, Fiziko-Matematicheskikh, Filosofskikh Nauk. Moscow.