"Quantitative determination of coumarin in plant material."; "Dustman, Robert B. (Robert Barclay), 1892-", "Duncan, Ira Jeriah, 1906-"; "Coumarins."; "Dustman, Robert B. (Robert Barclay), 1892-", "Duncan, Ira Jeriah, 1906-"; "1934"; "

Journal article reprint from: Industrial and Engineering Chemistry (Analytical ed.), v.6 (1934:May 15).

"; ""; "P18887"; "pec"; "Coumarins."; "14256"; .