00296nam a2200133Ia 4500003000400000005001700004008004100021020001900062040001000081100002100091245002600112260001500138260000900153OSt20240522141714.0170524s9999    xx            000 0 und d  a978-9381141663  ciimtu  aSrivastava- R.K. 0aComputer Aided Design  bUmesh Pub.  c2012