00312nam a2200133Ia 4500003000400000005001700004008004100021020001800062100002000080245003200100260002900132260000900161300000800170OSt20200312051620.0200302s9999    xx            000 0 und d  a9788120350915  aVarghese P. C.   aBuilding materials 2nd ed.,  bPHI Learning Pvt., Ltd.,  c2016  a283