TY  - BOOK
AU  - Indian Standard Institution
TI  - "IS :7160(Pt.I) -1974 : Guide for print area, margins and type sizes for textbooks. Pt.I : textbooks in English"
U1  - 655.532   L4 
PY  - 0000///New Delhi
CY  - 1975
PB  - ISI
ER  -