000			00297nam a2200121Ia 4500
001			105286
008			170722s9999 xx 000 0 und d
100			_aLeftwich, Richard H.
245			_aPrice system and resource allocation rev ed 1964 /
250			_a7th ed.
260			_c1979.
942			_cGEN
999			_c69350 _d69350