TY  - BOOK
AU  - Fritz, Wolfgang Delts
AU  - Fritz, Wolfgang Delts
TI  - Citrus Fruits : Cultivation and Fertilization [Series of Monographs on Tropical and Subtropical Crops]
U1  - 634.3/FRI 
PY  - 1958///
CY  - Germany
PB  - Ruhr-Stickstoff Aktienge
ER  -