00325nam a2200097Ia 4500008004100000100004200041245007800083260004900161260000900210300000800219200302s9999    xx            000 0 und d  aRobert  A heller and Deborah J Oakley  aSalvador i's structure in architecture the abuilding of buildings 4th ed.  bPearson India Education Services Pvt., Ltd.,  c2017  a228