00607nam a2200145Ia 4500003000400000082001700004245012700021260005400148300001000202650002300212653008900235942001200324952011000336999001500446SGT  a620.136bMEH  aProceedings of the international symposium on conncrete technology for sustainable development in the twenty frist century  bCement Manufacturers AssociationaNew Delhic1999  a637p.  aCIVIL ENGINEERING   aCONCRETE TECHNOLOGY FOR SUSTAINABLE DEVELOPMENT AN OVERVIEW OF ESSENTIAL PRINCIPLES   2ddccBK  00102ddc4070aFEbFEd2011-10-16iSGTUo620.136 MEHpFE4283r2015-02-09 00:00:00w2015-02-09yGF BOOKS  c5389d5389