TY  - BOOK
AU  - Pirson A
AU  - Zimmermann M H
TI  - Transport in plant; pt 1: Phloem transport
U1  - 571.203 
PY  - 1975///
CY  - Berlin
PB  - Springer Verlag
KW  - Botany
KW  - Phloem
KW  - Transportation of plants
ER  -