TY  - BOOK
AU  - Chhotey, Lal  .
AU  - Shohaib,Ahsan A  .
TI  - Information source in science and technology / 
U1  - 028.7025 
PY  - 1986///
CY  - New Delhi : 
PB  - Bharati Publications , 
N1  - **Reference
ER  -