TY  - BOOK
AU  - Cutler, Ann
AU  - Rudolph, Mcshane
TI  - THE TRACHTENBERG SPEED SYSTEM OF BASIC MATHEMATICS
U1  - 511.2018 
PY  - 1960///
CY  - Bombay
PB  - Asia Pub. House
KW  - Arithmetic
KW  - Trachtenberg, Jakow, 1888-
ER  -