TY  - BOOK
AU  - Singh, R.M.
TI  - Adhyatmik Krushiya Bhautik Vigyan Tatha Jalvayu Adhyayan (Hindi)
U1  - H 530 S4M2 
PY  - 1960///
CY  - Agra
PB  - Gayaprasad & Sons
ER  -