TY  - BOOK
AU  - Wirshing,James R.
AU  - Wirshing,Roy H.
TI  - Schaum's outline of theory and problems of introductory surveying
SN  - 0070711240 
PY  - 1985///
CY  - New York
PB  - McGraw-Hill
KW  - Surveying
N1  - Cover title: Theory and problems of introductory surveying; Spine title: Introductory surveying
ER  -