TY  - BOOK
AU  - Sud, Mehta.
AU  - Mehta
TI  - Rajya Vigyan ke Mul Siddhant Dwiteeya Bhag
U1  - 320.9 SU18R.2 
PY  - 1970///
CY  - Agra
PB  - Laxmi Narayan Agrawal
ER  -