1. A New Method of Observing Electromagnetic Fields at High Frequencies by Use of Test Paper;Hasegawa,1955
2. Mapping of electromagnetic fields by photochemical reaction;Iizuka;Electr. Let.,1968
3. A Method for Photographing Microwaves with a Polaroid Film;Iizuka,1968
4. Microwave holography using liquid crystal area detectors;Augustine,1969
5. In situ microwave holography;Iizuka;Appl. Optics,1973