19th Nordic Symposium on Catalysis, June 6-8, 2022, Espoo, Finland, https://19nsc.fi/
IUPAC publications - International Union of Pure and Applied Chemistry, http://iupac.org/
MANUAL OF SYMBOLS AND TERMINOLOGY FOR PHYSICOCHEMICAL QUANTITIES AND UNITS, APPENDIX II, Definitions, Terminology and Symbols in Colloid and Surface Chemistry, PART I (Adopted by the IUPAC Council at Washington DC, USA, on 23 July 1971), Prepared for publication by D. H. EVERETT, Prepared for Internet Consultation 2001 by L. K. KOOPAL, http://old.iupac.org/reports/2001/colloid_2001/manual_of_s_and_t/.