00333nam a22001097a 4500082001300000100003100013245007300044250001200117260004600129300001100175526003700186  a691bROO  aGovt. printing press india  aRoorkee treatise of civil engineering section 1 building materials    a7th ed.  aIndia.:bGovt. printing press indiac1905  a143 p.  a0b0c0d691_000000000000000_ROO