TY  - BOOK
AU  - Hairston, Nelson G.
TI  -  Ecological experiments: purpose, design, and execution 
SN  - 0521345960
U1  - 574.5/0724  19
PY  - 1989///
CY  - Cambridge [England],  New York
PB  - Cambridge University Press
KW  - Ecology
KW  -  Experiments
N1  - Includes bibliographical references and index
ER  -