TY  - BOOK
ED  - National Geographic Society (U.S.).
TI  - Hidden worlds of wildlife
SN  - 0870447963 (lib. bdg.) :
AV  - QL50 .H49 1990
U1  - 591 20
PY  - 1990///
CY  - Washington, D.C.
PB  - The Society
KW  - Animals
KW  - Pictorial works
N1  - "Special publications 25th anniversary"--Cover; Includes bibliographical references (p. 199) and index
UR  - http://www.archive.org/details/hiddenworldsofwi00nati
UR  - http://www.openlibrary.org/books/OL1860104M
ER  -