101 PUZZLES TO SOLVE ON YOUR MICROCOMPUTER
HILTON ANDREW
101 PUZZLES TO SOLVE ON YOUR MICROCOMPUTER - HARRAP LONDON 1984 - 127
0245542140
MATHEMATICAL RECREATION
793.7/4 HIL
101 PUZZLES TO SOLVE ON YOUR MICROCOMPUTER - HARRAP LONDON 1984 - 127
0245542140
MATHEMATICAL RECREATION
793.7/4 HIL