000 00364nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a025.04 D151
100 _aDALRYMPLE,P.W
245 0 _aRETRIEVAL BY REFORMULATION IN TWO LIBRARY CATALOGS:TOWARD A COGNITIVE MODEL OF S
260 _aMADISON
_bUNIVERSITY OF WISCONSIN
_c1987
300 _a21X16
942 _cBK
_2DDC
999 _c22565
_d22565