00380nam a2200133Ia 450000500170000008000180001710000200003524500440005526000750009930000250017458300180019994200120021799900170022920260716043556.0  a08.10.01 W531  aWestmaas, R. O.  aConstruction and construction materials  bUniv. of Guyana.  Institute of Development Studiesa[Turkeyen]GYc1977  a[9], 126, [3] leaves  c3/17/05kJOYD  cMmW531  c50086d50086