000 00300nam a2200109Ia 4500
008 140917b1979 xxu||||| |||| 00| 0 eng d
082 _a025.52, VAN
100 _aC J Vanrijsbergen
245 _aInformation retrieval ed 2
260 _aLondon :
_bbutterworths,
_c1979
700 _aVanrijsbergen, C J
999 _c189692
_d189692