000 00274nam a2200121Ia 4500
008 230108s9999 xx 000 0 und d
245 0 _aCurrent Science Vol-73 No(5-8)
260 _bCSA & ISA
260 _c1997
365 _bGratis
650 _aBack Volume
942 _cBK
999 _c258166
_d258166