TY  - BOOK
AU  - Verma, Uday Kumar
TI  - Sasya vigyan ke mulbhut sidhant (In hindi)
U1  - 631.4 V 59 S 
PY  - 1977///
CY  - Patna
PB  - Bihar Hindi Granth Akadmi
KW  - Sasya vigyan
ER  -