TY  - BOOK
ED  - Surveyor General of India
TI  - Technical report 1947 :  part III - geodetic work
PY  - 1948///
CY  -  Dehradun
PB  - Surveyor General of India
KW  - Geodetic WorkHarmonic AnalysisHarminic AnalysisMagnetic Field WorkTopographical Triangulation
ER  -