000 00290nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.3819535 E49
100 _aELSON.M
245 0 _aDATA STRUCTURES
260 _aCHICAGO
_bSCIENCE RESEARCH
_c1975
300 _a25X17
942 _cBK
_2DDC
999 _c20840
_d20840