TY  - BOOK
AU  - Kochher, C.L.
AU  - Kochher, C.L.
TI  - A textbook of surveying
AV  - 624.1517 KOC 1998 
U1  - 624.1517 KOC 1998 
PY  - 1998///
CY  - NewDelhi
PB  - Dhanpatrai
KW  - Civil Engineering
ER  -