000 00271nam a2200109Ia 4500
001 25596
008 170722s9999 xx 000 0 und d
245 _aTwo decades of research 1983 /
260 _aTrivandrum :
_bAuthor ,
_c1983.
300 _a224 p.
_c23cms
942 _cGEN
999 _c102028
_d102028