TY  - BOOK
AU  - Paul J. Kramer
TI  - Plant  and soil relationships : A modern synthesis
U1  - 581.1 
PY  - 1969///
CY  - New York
PB  - Mcgraw Hill Book Co
N1  - Paul J. Kramer: Plant  and soil relationships : A modern synthesis.  New York.  Mcgraw Hill Book Co, 1969.--(581.1KRA)
ER  -