TY  - BOOK
AU  - Pringle,Laurence P.
ED  - American Museum of Natural History.
TI  - Discovering the Outdoors: A nature and science guide to investigating life in fields, forests, and ponds
PY  - 1969///
CY  - New York
PB  - Natural History Press, 
KW  - Biological sciences
N1  - Index, p. 124-127
ER  -