cam a22 u 4500 128710616 CHVBK 20200921064113.0 880212s1980 xxu | 00 |eng|d (OCoLC)637191667 (NEBIS)000256077 ETH-BIB ger ETH-BIB ETHICS-ISBD Helicopter theory Wayne Johnson Princeton - N.J. Princeton University Press 1980 XXII, 1089 p. 25 cm diagr.; fig. HUBSCHRAUBER (AERODYNAMIK) ger (ETHUDK)000014606 ethudk u HUBSCHRAUBER (AERODYNAMIK) ger 533.661 nebis E1 u HÉLICOPTÈRES (AÉRODYNAMIQUE) fre 533.661 nebis E1 u HELICOPTERS (AERODYNAMICS) eng 533.661 nebis E1 Johnson W. BK020000 XK020000 XK020000 NEBIS E01 E01 MG 418762 NEBIS 700 1- Johnson W.