TY  - BOOK
AU  - Brower,James E.
AU  - Zar,Jerrold H.
AU  - Ende,Carl N.von
TI  - Field and laboratory methods for general ecology
SN  - 0697051455
PY  - 1990///
CY  - United States America, 
PB  - Brown publishers, 
KW  - ECOLOGIA
ER  -