00470nam a2200157 a 450000500170000008200130001710000300003011000190006024500740007926000820015330000170023563000220025263000130027463000160028763000090030320251203115502.0  a692bVEN  aVenkata Lakshmi Narasimha  aSundararajan T  aStudies on activation of high calcium fly ash and its use in concrete  aPondicherrybDepartment of Civil Engineering,PEC,Pondicherry Universityc2001  a210p.c32cm.  aCivil Engineering  aConcrete  aCalcium fly  aPh.D