00362nam a22001217a 4500008004100000040005500041080001600096100002000112245004500132260002900177300001000206650002400216230321b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 681.3bM5  aMullins, Elaine  aInformation processing: bStudent's book  aLondon: bPitman, c1985  a195p.  aInformation science