TY - BOOK AU - Mayhew,J.D. TI - The Whalebook: a conservation manual, source book, teaching tool U1 - 599.5 23 PY - 1978/// CY - United States of America PB - Center for Action on Endangered Species, Inc. and the Center for Environmental Education, Inc. KW - ARMARC KW - Whale KW - Ballena N1 - Bibliografía: p. 58-64 ER -