Ralf Ebbinghaus
Great Britain. Monopolies Commission.
William McGucken
George Polanyi
California Chemical International, inc.
Frost & Sullivan
Cipriano Nunes Barata
G. K. Morse
Istituto per gli studi sullo sviluppo economico e il progresso tecnico
Seminar on Synthetic Detergent Industry: Problems and Prospects Bombay 1969.
United Nations. Economic Commission for Europe
United Nations. Industrial Development Organization.
Morton Research Corporation.
Australia. Industries Assistance Commission.
Nihon Sekken Senzai Kōgyōkai
Predicasts, inc.
David Lummis