Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Songstad, J https://www.mathnet.ru/eng/person110771 List of publications on Google Scholar Publications in Math-Net.Ru Citations 1969 1. R. G. Pearson, J. Songstad, “Application of the Principle of Hard and Soft Acids and Bases to Organic Chemistry”, Usp. Khim., 38:7 (1969),  1223–1243  ; J. Am. Chem. Soc., 89:8 (1967), 1827–1836 837 Organisations Northwestern University, Evanston, IL