Kruszynski, Marian; Kupryszewski, Gotfryd; Konturek, Stanislaw J., Bulletin of the Polish Academy of Sciences: Chemistry, 1990, vol. 38, # 1-12, p. 1 - 10
Kruszynski, Marian; Kupryszewski, Gotfryd; Konturek, Stanislaw J., Bulletin of the Polish Academy of Sciences: Chemistry, 1990, vol. 38, # 1-12, p. 1 - 10