1940 Journal of the Marine Biological Association of the United Kingdom, 24(1). Plymouth, (UK), MBA [UNSPECIFIED]
1940 The Journal of the Marine Biological Association of the United Kingdom, 24(2). Plymouth, (UK), MBA [UNSPECIFIED]
Lucas, CE 1940 Ecological Investigations with the Continuous Plankton Recorder: The Phytoplankton in the Southern North Sea. 1932-37.. Hull Bulletins of Marine Ecology, 1 (3). 73-170.