00295nam a2200133Ia 4500008004100000020001800041041000800059082001500067100001700082245002400099250001600123260001400139300000800153211209s2019    xx            000 0 und d  a9788120350915  aeng  a624.18 VAR  aVARGHESE P C  aBUILDING MATERIALS   a2ND EDN ed.  bPHIc2019  a283