TY  - BOOK
AU  - Hairston, Nelson George,
ED  - University of Cambridge
TI  - Ecological experiments: purpose, design, and execution 
SN  - 0521345960
AV  - QH541.24 H35
PY  - 1989///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Ecologia
KW  - Experimentos
ER  -