TY  - BOOK
AU  - "Singh, R.N."
TI  - Biennial learning in fruit trees : Accent on mango and apple. ICAR Tech.Bull.No.30
U1  - "634.11'441.2. 076 ""55-02""  L1" 
PY  - 0000///New Delhi
CY  - 1971
PB  - ICAR
ER  -