Učet nazemnoj fauny pozvonočnych metodom maršrutnogo podsčeta (metod ploščadej vidov.) = Account of the land fauna of vertebrates by means of the method of itinerary counting - Laptev, Michail K. (Trudy Sredne-Aziatskogo Gosudarstvennogo Universiteta : Serija 8a, Zoologija, 1930)