TY  - BOOK
AU  - Agnihotri, Vidur Narayan
TI  - प्रकाश किरणें | Prakash kirne
U1  - 525 
PY  - 1971///
CY  - Lucknow
PB  - Krishi Sahitya Prakashan
KW  - Earth
KW  - Astronomical geography
ER  -