Yearbook ... and directory of members

International Association on Water Pollution Research and Control | UB Braunschweig | 1985; 1990/91(1991)

IAWPRC yearbook ... and directory of members

International Association on Water Pollution Research and Control | UB Braunschweig | 1986; 1987/88(1987) - 1989/90(1989)

IAWPRC yearbook ... and directory of members

International Association on Water Pollution Research and Control | TIBKAT | 1986; 1987/88(1987) - 1989/90(1989)

BIAT yearbook and directory

British Institute of Architectural Technicians | TIBKAT | Nachgewiesen 1987 - 1989; damit Ersch. eingest.

Directory of members

Reinforced Concrete Association | TIBKAT | 1964