00346nam a2200121Ia 4500008004100000020001600041041000800057082001600065100001500081245007400096260004500170300000900215220803s9999    xx            000 0 und d  a82120408438  aeng  a721.044 PRI  aPrimlani M  aInternational Symposium On Innovative World Of Concrete .-82120408438  b"Indian Concrete Institute, Delhi"c1993  a548p