TY  - BOOK
AU  - Gillespie, William Mitchel,
TI  - A treatise on land-surveying: Comprising the theory developed from five elementary principles ; and the practice, with the chain alone, the coompass, the transit, the theodolite, the plane table, &c. 
AV  - TA545 G55 1883
PY  - 1883///
CY  - New York
PB  - D. Appleton
KW  - Topografía
ER  -