Association of Official Analytical Chemists
c1990-c1994
1st suppl., 1990 to the 15th ed. 1990 , 2st suppl., 1991 to the 15th ed. 1990 , 3st suppl., 1992 to the 15th ed. 1990 , 4st suppl., 1993 to the 15th ed. 1990 , 5st suppl., 1994 to the 15th ed. 1990
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