TY  - BOOK
AU  - CUTLER, ANN                                                 
AU  - MCSHANE, RUDOLPH
TI  - THE TRACHTENBERG SPEED SYSTEM OF BASIC MATHEMATICS                                                                      
PY  - 1965///
CY  - LONDON                                                      
PB  - PAN BOOKS LTD                                               
KW  - MATHEMATICS
ER  -