00512nam a2200169Ia 4500082002600000100002900026245005400055260005200109300001700161500000500178690000600183700000500189952010700194964001700301921000900318999001500327  a382.73091724bB171.SP  aBalassa, Bela and Others  aStructure of protection in developing countriesb  aBaltimorebJohns Hopkins University Pressc1971  axviii, 375p.  a  a   a  00104070aISIbISId1998-09-07l0o382.73091724 B171.SPpDP6062r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a8951  c8951d8951