685. ---------------.[DEN OTTER, H. P.] [Soap From Synthetic Fat Acids. I.] Chem. Weekblad, vol. 43, 1947, pp. 37-42.

685. ---------------. [DEN OTTER, H. P.] [Soap From Synthetic Fat Acids. I.] Chem. Weekblad, vol. 43, 1947, pp. 37-42.