000 00363nam a2200157Ia 4500
008 180424s9999 xx 000 0 und d
084 _a574 A7
245 0 _aUiriyal Ulagam
250 _a\\198700TAMGPSX
260 _aScience Acadamy
260 _b1987
260 _cIllayankudi
300 _a133 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c50563
_d50563