TY  - BOOK
AU  - Lewak, M. J.
TI  - Changes in the leucoanthocyanidin content in the leaves of biennially bearing apple trees
KW  - Manzana
KW  - Floración
N1  - Sobretiro de: Acta Sacietatis Botanicorum Poloniae. 39: (1): 141-150, 1970
ER  -