TY  - BOOK
AU  - Michurin,I.V.
TI  - Principles and methods
U1  - 634 
PY  - 1952///
CY  - Moscow
PB  - Foreign Languages Pub.
KW  - Fruit
KW  - Fruit - culture
KW  - Breeding
KW  - Fruit trees
KW  - Varieties
ER  -