TY  - BOOK
AU  - Thomas, Thomas Leslie
AU  - xx, 686 p.
AU  - Thomas A
AU  - Title
TI  - Mathematics by calculating machine
SN  - 003620495
PY  - 1962///
CY  - London
PB  - Cassell & Company Ltd
KW  - Calculating machine
KW  - Mathematics
ER  -