TY  - BOOK
AU  - Smith,Robert Leo
AU  - Smith,T.M.(Thomas Michael)
TI  - Elements of ecology
SN  - 0321015185
U1  - 577 
PY  - 1998///
CY  - London
PB  - An Imprint of Addison Wesley Longman
KW  - Ecology
N1  - Includes bibliographical references (p. 507-521) and index
ER  -