000 00394nam a2200145Ia 4500
020 _a0000000000000
082 _b1961
_a001.642
100 _a"Leeson, Daniel N."
245 0 _aBasic Programming Concepts and The IBM 1620 Computer
260 _bHolt, Rinehart And Winston, INC.
_aNew York
_c2011
300 _a368
944 _cR
999 _c64666
_d64666