000 00249nam a2200097Ia 4500
008 160710s1977 xx 000 0 und d
245 _aLEAD IN POTABLE WATERI ...... SPECTROPHOTOMETRY 1976
260 _bH M S O
_c1977
300 _a11
942 _2ddc
_cB
999 _c43697
_d43697