00327nam a2200109Ia 4500082003200000100006400032245007500096260002600171300001000197500000500207700000500212  a338.47666737091724bUn58.EB  aUnited Nations. Industrial Development Organisation, Vienna  aEstablishment of the brick and tile industry in developing countriesb  aNew YorkbUNIDOc1969  a122p.  a  a