000 00287nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aLEFTWICH (R H)
245 0 _aPrice system and Resource Allocation
260 _cHolt, Rinehart & Wins
365 _b0
650 _aNIL
942 _cBK
999 _c98276
_d98276