TY  - BOOK
AU  - Collinson, A. S
TI  - Introduction to world vegitation
SN  - 0045810133
AV  - QK 901 Col 
PY  - 1977///
CY  - London
PB  - George Allen & Unwin
KW  - PLANT ECOLOGY
KW  - PLANTS
KW  - Phytogeography
N1  - Includes bibliographies and indexes
ER  -