000 00423nam a2200133Ia 4500
008 210828s9999 xx 000 0 und d
082 _aO31 R10
100 _a"Ramalingam, A "
245 0 _aPorulvayir Pirivin Pinpulangal
260 _aMadurai
260 _b Madurai Kamarajar University
260 _c1997
942 _cBK
999 _c139268
_d139268