TY  - GEN
AU  - Wirshing, James R
AU  - Wirshing, Roy H
TI  - schaum's outline of theory and problems of introductory surveying
T2  - 2004
SN  - 0070588848
U1  - 528.3 
PY  - 2004///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - GEODESY
KW  - NATURAL SCIENCE
KW  - SURVEYING
KW  - TRIGONOMETRY
ER  -