TY  - BOOK
AU  - Bell,Peter R.
TI  - Green plants: their origin and diversity 
SN  - 0521438756
AV  - QK45.2 B44 1992
PY  - 1992///
CY  - Victoria, Australia
PB  - Cambridge University Press
KW  - Botany
KW  - Classification
KW  - Leaves
KW  - Evolution
KW  - Variation
N1  - Includes bibliographical references and index
ER  -