TY  - BOOK
AU  - Guerden, Richard Lloyd,
TI  - Traverse tables: Computed to 4 places decimals for every ' of angle up to 100 of distance 
AV  - TA552 G87 1900
PY  - 1900///
CY  - London
PB  - C. Griffin
KW  - Poligonación
KW  - Tablas
ER  -