000 00300nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a339.1 ALL;E
100 _aAllen
245 0 _aExchange of Production Theory in Use
260 _aCalifornia
_bWoodsworth
_c1968
942 _cGB
999 _c29601
_d29601