TY  - GEN
AU  - Gram, Ernst
AU  - Weber, Anna
TI  - Plant Disease:  in Orchard, Nursary and garden crops
U1  - 632.3 GRA 
CY  - London, Macdonald & co Publishers Ltd
KW  - Plant Diseases/ Ochard Plant diseases/   Nursary plant Diseases/ Garden plant diseases
ER  -