TY  - BOOK
AU  - Sippl, Charles L.
TI  - CALCULATOR USERS GUIDS AND DICTIONARY
U1  - 681.14 
PY  - 1976///
CY  - Champaign
PB  - Matrix Pub.
KW  - Calculating Machines -- Terminology
N1  - Including : An Index Of Calculator Products And Manufacturers
ER  -