TransliterationOvsyannikov B.V. Teoriya i raschet nasosov zhidkostnykh raketnykh dvigateley.

Trudy Mariyskoy arkheologicheskoy ekspeditsii. V 2-kh tomakh: Tom 1. Khalikov A.Kh. Materiary k izucheniyu istorii naseleniya srednego Povolzhya i Nizhnego Prikamya v erokhu neolita i bronzy. Tom 2. Zheleznyy vek Mpriyskogo Kraya./The Proceedings of the Mari Archaeological Expedition. In 2 volumes: Volume 1. Khalikov A.H. Materials for the study of the history of the population of the Middle Volga Region and Lower Kamya in the Eroch of Neolithic and Bronze. Volume 2. Iron Age of the Mpriysky Krai. In Russian