Vagn Flyger, Martin W. Schein, Albert W. Erickson, Thor Larsen:
Capturing and handling polar bears - A progress report on polar bears ecological research.
Reprinted from Transactions of the Thirty-Second North American Wildlife and Natural Resources Conference, March 13,14,15, 1967.
Published by American Wildlife Institute 1967. 8vo. [1] + 108 + 119 s. Orig. omslag.
Rikt illustrert. Tabeller.