00457nam a2200169Ia 4500082002100000100001900021245004500040260003400085300000900119500000500128690000600133700000500139952010200144964001700246921000900263999001500272  a330.183bM194.OG  aMagill, M.J.P.  aOn a general economic theory of motionb  aBerlinbSpringer-Verlagc1970  a95p.  a  a   a  00104070aISIbISId1998-06-16l0o330.183 M194.OGpDP5486r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a2780  c2780d2780