000 00358nam a2200145Ia 4500
005 20210917110315.0
008 160615s9999 xx 000 0 und d
100 _aNARAYANASWAMY(A S)
245 _aThesis submitted for the M.Sc degree
260 _bAnnamalai University
300 _a38 p. + 9
942 _cTH
_2udc
999 _c7839
_d7839