TY  - BOOK
AU  - A. E. Knight
AU  -  Edward Step, 
TI  - Diversity of plant life
U1  - 581 
PY  - 1991///
CY  - Jaipur
PB  - Arihant Publishers
N1  - A. E. Knight & Edward Step: Diversity of plant life.  (Reprinted)  Jaipur.  Arihant Publishers, 1991.--(581KNI)
ER  -