TY - BOOK AU - Tarverdyan,Arshaluys P. AU - Khachatryan,A.E. TI - Essential principles for development of rotary cutting devices SN - 3-86186-452-5 PY - 2004/// CY - Beuren, Stuttgart PB - Verlag Grauer KW - Agricultural engineering N1 - Bibliogr.: p. 292-297 ER -