00286nam a2200109Ia 4500008004100000082002200041100001900063245004200082250000800124260003000132300001400162260811b        |||||||| |||| 00| 0 eng d  a338.6048bR662.EI  aRobinson, Joan  aEconomics of imperfect competitionb/  a2nd  aLondon:bMacmillan,c1969  axx, 352p.