00298nam a2200097Ia 4500008004100000082002400041100001900065245005300084260005000137300001300187260428b        |||||||| |||| 00| 0 eng d  a382.091717bB694.FT  aBoltho, Andrea  aForeign trade criteria in socialist economiesb/  aCambridge:bCambridge University Press,c1971  ax, 176p.