00301nam a2200121Ia 4500008003700000082001300037100002400050245002600074260003700100690001400137906001100151999001700162210210b0   xxu||||| |||| 00| 0 eng d  a653 SURE  aNARAYANA (Surya M).  aElaboration of notes.  aNDbPitman S  S  Publicationsc0  aShorthand  a045096  c94262d94262