Ocherk biologicheskoi aero- i gidrodinamiki (polet i plavanie zhivotnykh)
Nauka, 1974. First Edition. Trade Paperback. Author's surname also transliterated Kokshayskiy and Kokshaiskii. 245 pages. Kokshaysky's work on bird flight are widely cited. This original Russian edition is uncommon in the US. OCLC 14118477 (11 copies). First edition (first printing). A fine copy in wrappers (paperback). Inscribed by the author.....