000 00267nam a2200097Ia 4500
008 160710s1957 xx 000 0 und d
100 _aANALYTICAL CHEMISTRY
245 _aJULY,AUG.ANALYTICAL CHEMISTRY,
260 _bTHE AMERICAN CHEMICAL SOCIETY
_c1957
942 _2ddc
_cB
999 _c39853
_d39853