00290nam a2200133Ia 4500008004100000020000500041082001600046100000500062245001900067260003000086300000800116650001300124700001900137140316s9999    xx            000 0 und d  a  a815bSAR/TH  a  aTheerthaswanam  aVarkalabSNDS Trustc1998  a190  aLectures  aSarngadharan,M