International Conference on Condensation and Ice Nuclei (7th 1969 Prague, Czechoslovakia and Vienna, Austria)

• Proceedings of the 7th International Conference on Condensation and Ice Nuclei, September 18-24, 1969, Prague and Vienna
• Supplement volume of the Proceedings of the 7th International Conference on Condensation and Ice Nuclei, September 18-24, 1969, Prague and Vienna