TY  - BOOK
AU  - Chaudhary, Sudhir Singh
TI  - Chartwork : basic concepts & miscellaneous calculations
U1  - 623.89 
PY  - 1998///
CY  - Mumbai
PB  - Umavinnie Publications
KW  - Transfer of position line and running fix
KW  - Use of single position lines
KW  - Transfer of a pos circle
ER  -