00438nam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082002200102110004800124245002400172260002700196300001900223650001400242CHAP20220329134343.0971013s1966    miu     r     00010 eng d  a19231  a20203  a24291  cCHAP04a620.136bA54 19662 aAmerican Concrete Institute. Detroit, Mich.1 aACI standards, 1966  aDetroit, Mich. :c1966  apág. varía14aConcreto.