00362nam a2200133Ia 450000500170000008000200001724500530003726000290009030000150011950000420013458300210017694200140019799900170021120260716044020.0  a04.01.02 G986fo  aGuyana standard : code of practice for buildings  bGNBSaGeorgetownGYc2005  aiii, 19 p.  aPart 13 : Foundations and excavations  c3/12/12kSANDRAW  cCmG986fo  c58743d58743