TY  - BOOK
AU  - Raven,Peter H.
AU  - Evert,Ray Franklin
AU  - Curtis, Helena .
TI  - Biology of plants
SN  - 0879011327 (hbk. )
PY  - 1981///
CY  - New York
PB  - Worth
KW  - Botany
N1  - Includes index; Includes bibliographical references
ER  -