1. Agricultural applications of the dual-monochromator spectrophotometer;Birth;Agric. Eng.,1960
2. Non-destructive measurement of internal color of tomatoes by spectral transmission;Birth;Food Technol.,1957
3. Photoperiodism in plants;Borthwick;Science,1960
4. Effects of radiation on growth and development;Borthwick,1961
5. Remembrances of phytochrome twenty years ago;Butler,1979