000 00455nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a029.7
_bH434
100 _aHeaps H S
245 _aInformation retrieval
_bcomputational and theoretical aspects
260 _aNew York
_bAcademic press
_c1978
300 _axii,344p
650 _aInformation retrieval
650 _aMechanized storage
942 _cBK
999 _c74421
_d74421