000 00270nam a22001217a 4500
008 170524b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a62
100 _a26
101 _aIM
245 _aANNALS OF SYSTEM RESEARCH
_cROOTSELAAR.R
942 _2udc
_cBK
999 _c14011
_d14011