Linko, R. R., and O. E. Nikkilä. “Chemical Preservatives in Foodstuffs. III Hexamethylenetetramine As Mold Inhibitor and the Antagonistic Action of Amino Acids”. Agricultural and Food Science, vol. 31, no. 1, Jan. 1959, pp. 162-73, doi:10.23986/afsci.71479.