TY  - BOOK
AU  - Oosting, Henry
TI  - The study plant communities: an introduction to plant ecology 
AV  - QK940 .O8 1956
PY  - 1956///
CY  - San Francisco
PB  - W. H. Freeman and Company
KW  - Plant - ecology
KW  - Botany
N1  - Includes bibliographical references and index
ER  -