TY  - GEN
AU  - Shugart H H, Oneill R V
TI  - Systems ecology
T2  - 9
SN  - 0879333472
U1  - 574.5 SHU 
CY  - Perinsylvana, Dowden,hutchirison & rows, Inc.
KW  - Ecology/systems ecology-systems ecologists
ER  -