000 00300nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aWELCHER (FRANK.J)
245 0 _aOrganic analytical reagents Vol.4.
260 _cVan Nostrand
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c24589
_d24589