000			003380000a22001450004500
001			EST
003			LAB. ENSAYO DE MATERIALES
004			M
006			m
100			_aBlanks, Robert
100			_aKennedy, Henry
245			_aThe technology of cement and concrete
650			_a<CEMENTO><CONCRETO><ENSAYO DE MATERIALES>
999			_c6894 _d6894