000 00321nam a2200133Ia 4500
008 160316s1947 xxu||||| |||| 00| 0 eng d
020 _a
100 _aFrank J. Welcher
245 _aOrganic Analytical Reagents
250 _a1ST
260 _aNEW YORK
_bD. VAN NOSTRAND COMPANY,INC
_c1947
300 _a530
700 _a
_a
999 _c31746
_d31746