TY  - BOOK
AU  - x, x
AU  - Ruhland,W.
TI  - Encyclopedia of plant physiology: x
SN  - x
U1  - REF581.103/ENC 
PY  - 1956///
CY  - Berlin
PB  - Springerverlag
KW  - Botany-encyclopedia
KW  - Encyclopedia
N1  - x
ER  -