By Berrington D.   in Aircraft Engineering

ISSN:0002-2667|47|9|4-8

Emerald Group Publishing Ltd‎(1993)‎

Access to resources Favorite 14.754902

By Berrington D. K.   in Journal of the American Helicopter Society

ISSN:2161-6027|19|1|16-25

AHS International‎(1974)‎

Access to resources Favorite 12.309583