TY  - BOOK
AU  - Callenbach,Ernest
TI  - Ecology: a pocket guide 
SN  - 9780520257191
PY  - 2008///
CY  - Berkeley
PB  - University of California Press
KW  - Ecology
KW  - Popular works
N1  - Includes bibliographical references (p. 167) and index
ER  -