TY  - BOOK
AU  - Ayman Abdelmonem Hegazy
AU  - Elsaid . S. Hegazi , 
AU  - R. G Stion , 
AU  - Taher A. Yehia , 
TI  - Pollination requirement and subsequent fruiting of apple trees / 
PY  - 1998///
CY  - Cairo : 
PB  - Ayman Abdelmonem Hegazy , 
N1  - Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Pomology
ER  -