(1979)Society of Photo-Optical Instrumentation Engineers (1979)The Society of Photo-Optical Instrumentation Engineers2deSan Diego (Germany)The Seciety of Photo-Optical Instrumentation Engineers Society of Photo-Optical The Society of the Plastics Industry (London)Society of Chemical Industry (San Francisco)The Society of the Plastics Industry Society of Chemical Industry American Society of Photogrammetry (U.S.A.)Society of Photo-Optical Instrumentation Engineers