An NMR/chromatographic study of the resorcinol-formaldehyde polycondensation reactionLippmaa, HelleKemia-Kemi = [Finnish chemistry]1981 / p. 96-98https://www.ester.ee/record=b1201067*est
An NMR/chromatographic study of the resorcinol-formaldehyde polycondensation reactionLippmaa, HelleKemia-kemi = [Finnish chemistry]1979 / p. ?https://www.ester.ee/record=b1201067*est