TY  - BOOK
AU  -  Veen,R.Van der
AU  -  Meijer,Gerardus
TI  -  Light and plant growth / 
U1  -  581.5222 VEE 
PY  - 1959///, repr.1962
CY  -  Eindhoven : 
PB  -  Philipp's Technical Library, 
KW  -  Growth (Plants)
KW  -  Plants
KW  -  Effect of light on
N1  -  Includes bibliographical references
ER  -