by Wall, L.L. Sr, Gehrke, C.W
Published in Journal of the Association of Official Analytical Chemists (USA) (01.07.1977)

by Wall, L.L. Sr, Gehrke, C.W
Published in J Assoc Off Anal Chem (1976)

by Wall, L.L. Sr, Gehrke, C.W
Published in J Assoc Off Anal Chem (1975)

by Wall, L.L. Sr, Gehrke, C.W
Published in J Assoc Off Anal Chem (1974)

by Tsen, C.C, Bates, L.S, Wall, L.L. Sr, Gehrke, C.W
Published in Journal of food science (1982)

by Brown J.R, Thom W.O, Wall L.L. Sr
Published in Communications in soil science and plant analysis (1981)