TY  - GEN
AU  - Sinnott, Edmund W
AU  - Wilson, Katherine S
TI  - Botany: principles and problems
T2  - Mc graw hill publications in the botanical sciences
U1  - 581 SIN 
CY  - New York, Mc Graw- Hill Book Company Inc
KW  - Botany-principles &problems/plant life
ER  -