00519cam a2200157 a 450000500170000000800410001703500150005805000190007310000320009224500490012426000300017330000110020344000480021450000740026265000250033620260817173409.0080802s1978    gw      r     000|0 eng |  a.b1002558300aQA76.9 D3bH541 aHill, Edward,d1938- ,cJr.12aA comparative study of very large data bases  aBerlin :bSpringer,c1978  a140 p. 0aLecture notes in computer science ;vno. 59  aA revision of the author's thesis, George Washington University, 1977 0aData base management