TY  - BOOK
AU  - DAVID AND JONES
TI  - VARIATION AND ADAPTATION IN PLANT SPECIES
SN  - 0 435 61480 0
U1  - GN581.5J713V 
PY  - 1971///
CY  - LONDON
PB  - HEINEMANN EDUCATIONAL BOOKS
KW  - VARIATION AND ADAPTATION IN PLANT SPECIES
ER  -