TY  - BOOK
AU  - Bell,Peter Robert
AU  - Hemsley,Alan R.
TI  - Green plants: their origin and diversity 
SN  - 0521641098 (hbk.)
U1  - 581.38 23
PY  - 2000///
CY  - New York
PB  - Cambridge University Press
KW  - Botany
KW  - Plants
KW  - Classification
KW  - Evolution
KW  - Variation
N1  - Includes bibliographical references
ER  -