TY  - BOOK
AU  - Kaur Susheel
AU  -  Sapra P
TI  - Directory of periodicals published in India Com b
U1  - A46,12,N8, M8;N4 
PY  - 1974///
CY  -  New Delhi 
PB  - Sapra and Sapra       
KW  - Natural Science
ER  -