000 00278nam a22001097a 4500
008 250505b xxu||||| |||| 00| 0 eng d
082 _a33.018 Microbiology 4204
100 _aWold Herman
_945170
245 _aDemand Analysis A Study in economics
260 _c1953
942 _cOB
999 _c19598
_d19597