TY  - BOOK
AU  - Yu,John W.
AU  - 
TI  - Dynamies of supercalc 4
SN  - 1556230109
U1  - 005.26 23
PY  - 1987///
CY  - Homewood, Ill : 
PB  - Dow Jones - Irwin , 
KW  - Computer programs
ER  -