TY  - BOOK
AU  - Jones, David A
AU  - Wilkins (Dennis. A)
TI  - Variation and adaptation in plant species
SN  - 0435614800
U1  - 631.53/JON 
PY  - 1971///
CY  - London
PB  - Heinemann Educational Books Limited
KW  - Plants--Adaptation
KW  - Plants--Variation
ER  -