TY  - BOOK
AU  - Sticker,Henry
TI  - How to calculate quickly: (the art of calculation) 
T2  - Dover books on mathematics
SN  - 048620295X
AV  - QA111 S75 1955
PY  - 1955///
CY  - New York
PB  - Dover publications, Inc.
KW  - Lemb
KW  - Matemáticas
KW  - Aritmética mental
ER  -