000 00275nam a2200121Ia 4500
008 230108s9999 xx 000 0 und d
245 0 _aCurrent Science Vol-73 No(9-12)
260 _bCSA & ISA
260 _c1997
365 _bGratis
650 _aBack Volume
942 _cBK
999 _c258167
_d258167