TY  - BOOK
AU  - Smith Thomas M
AU  -  Smith Robert Leo
TI  - Elements of ecology
SN  - 8131715574 (pbk)
U1  - G:5, P6   TEB 
PY  - 2006///
CY  - New Delhi
PB  - Pearson Education     
KW  - Environmental Biology
N1  - References R1-R18p.; Glossary G1-G14p.; Index I1-I14p
ER  -