TY  - BOOK
AU  - Comrie L J
TI  - Tables of tan x and log (1+x} to assist in the calculation of the ordinates of a pearson type IV curve
T2  - Tracts for Computer. Ed by E S Pearson
U1  - Bd, JO 
PY  - 1950///
CY  - London
PB  - Cambridge university press        
N1  - Bibliography at the end of each chapter
ER  -