1. The measurement of upwelling and subsequent biological processes by means of the Technicon AutoAnalyzer and associated equipment;Armstrong;Deep-Sea Research,1967
2. Respiration and ammonium excretion of open-ocean gelatinous zooplankton;Biggs;Limnology and Oceanography,1977
3. Non-biogenic fixed nitrogen in Antarctic surface waters;Biggs;Nature,1978
4. Oceanographic studies of epipelagic ammonium dynamics in the Scotia Sea, Islas Orcadas cruises 17 and 19;Biggs,1981
5. Oceanographic studies of epipelagic ammonium dynamics in Scotia Sea;Biggs;Antartic Journal of the United States,1979