TY  - BOOK
AU  - Wirshing,James R
AU  - Wirshing,Roy H.
TI  - Theory and problems of introductory surveying
SN  - 0070711240
PY  - 1985///
CY  - New York
PB  - McGraw-Hill
KW  - Surveying
N1  - Includes index
ER  -