TY  - BOOK
AU  - Billings,W.D.
TI  - Plants and the ecosystem
SN  - 333146336
AV  - MED QK901 .B5
PY  - 1972///
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  - Plant ecology
N1  - Second ed. published in 1970 under title: Plants, man, and the ecosystem; Includes index
ER  -