000 00346nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a543 K6.3B
100 _a"Welcher,Frank. J.,Ed."
245 _a"Standard Methods of chemical analysis vol.III B, 6th edition"
260 _a1966
_bD Van Nostrand Co.
_cNew York
300 _a2018
942 _cBK
999 _c57475
_d57475