TY  - BOOK
AU  - Sang,Edward
TI  - A new table of Seven-Place Logarithms of all numbers from 20,000 to 200,000 / 
PY  - 1871///
CY  - London : 
PB  - Charles and Edwin Layton, 
KW  - LOGARITMOS
KW  - TABLAS
ER  -