000 00308nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a540 A G/C
100 _aA GROUP OF AUTHORS
245 0 _aCHEMISTRY
260 _bNATIONAL COUNCIL OF EDUCATION RESEARCH ANDTRAINING
_c1988
300 _a500
942 _cTB
999 _c30557
_d30557