00450nam a22001457a 4500008004100000020001800041040005500059080002600114100002000140245004900160260004900209300001400258650001400272653001800286230622b        |||||||| |||| 00| 0 eng d  a0-07-038683-8  aNational Science LibrarycNational Science Library  aR 624.012.3:691.3bM2  aLong, Leslie D   aDesign mix manual for concrete construction   aNew York: bMcGraw Hill Book Company, c1982  aix, 385p.  aConcrete   aConstruction