Council of Scientific and Industrial Research (1978) Improvements in or relating to the preparation of green photo luminascent copper activated zinc sulphider phosphor. 145019.

Council of Scientific and Industrial Research (1978) Improvements in or relating to process for preparation of fluorescent readmission ink. 144964.

Council of Scientific and Industrial Research (1978) Improvements in or relating to luminescent transfer paper. 144365.

Council of Scientific and Industrial Research (1977) Improvements in or relating to calcium halophosphate phosphor for use in fluoroscent tube lights. 141491.

Council of Scientific and Industrial Research (1976) Improvements in or relating to calcium tungstate blue phosphor of different shades. 139833.

Council of Scientific and Industrial Research (1974) Improvements in or relating to the preparation of zinc silicate green phosphor. 133341.

Council of Scientific and Industrial Research (1969) Improvements in or relating to the preparation of calcium tungstate blue phosphor. 113869.