000 00555nam a22001817a 4500
008 230221b |||||||| |||| 00| 0 eng d
020 _a0-03-056081-0
040 _aNational Science Library
_cNational Science Library
080 _aD 002:681.3.07
_bM0
100 _aGoffman, William
_9906
245 _aScientific information systems and the principle of selectivity
260 _aNew York:
_bPraeger,
_c1980
300 _avii, 189p.
650 _aInformation scince
653 _aMathematical model
653 _aQuality filtering
942 _2udc
_cBK
999 _c2556
_d2556