TY  - BOOK
AU  - Bunning Erwin
TI  - A head of his time: : wilhelm preffer early advances in plant biology
SN  - 0-88629-103-8
AV  - QK31.P45B8313 
PY  - 1989///
CY  - Ottawa
PB  - Carleton University Press
KW  - Botanist-Germany-biography
ER  -