TY  - BOOK
AU  - Margalef,Ramón
TI  - Perspectives in ecological theory
T2  - Chicago series in biology [v. 1]
AV  - QH541 .M37
U1  - 574.5 
PY  - 1968///]
CY  - Chicago
PB  - University of Chicago Press
KW  - Ecology
N1  - 920504; Bibliography: p. 103-106
ER  -