TY  - BOOK
AU  - WIRSHING,James R.
AU  - WIRSHINGRoy H.
TI  - Schaum's outline of theory and problems of introductory surveying
SN  - 0070711240
U1  - 526.9 
PY  - 1985///
CY  - New York
PB  - McGraw Hill
KW  - Surveying
ER  -