00381nam a2200145Ia 4500008004100000084001200041100002800053245003900081250002000120260002500140260000900165260001500174300001100189500003500200180424s9999    xx            000 0 und d  aT21 A51  a"Alagappa University, " 0aProfessor Muthusivan Ninaivu Malar  a\\195500TAMGPSX  aAlagappa University   b1955  cKaraikudi   a137p.   aincludes index and biblioraphy