000 00301nam a2200121Ia 4500
008 231017s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a620.82
_bN91 RID
100 _aRidham, M and Brien C
_914593
245 0 _aProduction Research
260 _bTaylor & Francis
_c1991
942 _cBK
999 _c25215
_d25215