TY  - BOOK
AU  - W,RUHLAND
TI  - HAND BUCHDER PFLANZENPHYSIOLOGIE ENCYCLOPEDIA OF PLANT PHYSIOLOGY V/2
U1  - R- 581.303EN 19 
PY  - 1962///
CY  - GRMANY
PB  - SPRINGER- VERLAG BERLIN HEIDELBERG
ER  -