TY  - BOOK
AU  - Smith Thomas M; Smith Robert Leo
AU  - Smith Thomas M; Smith Robert Leo
TI  - Elements of ecology
SN  - 9780321736079 (pbk)
U1  - G:5, P6;Q2 TG 
PY  - 2012///
CY  - Boston
PB  - Benjamin cummings      
KW  -  Biology
KW  -  Elements of ecology
KW  - General Science
ER  -