TY  - BOOK
AU  - Sanghi,Arun Kumar
TI  - Easy paper calculator
U1  - 676.2083 
PY  - 1973///
CY  - Calcutta
PB  - Sanghi
KW  - Paper
KW  - Papermaking
KW  - Writing
KW  - Materials and instruments
KW  - Printing properties
ER  -