TY  - BOOK
AU  - Chaudhari,Sudhir Singh
TI  - Chartwork : : an elementry course / 
U1  - 623.8884 23
PY  - 1998///.
CY  - Mumbai : 
PB  - Uma-Vinnie, 
KW  - Decca Planning.
KW  - Three point Bearing.
KW  - Passage Planning.
ER  -