1. Zooplankton, zoobenthos and bottom sediments as related to pollution and water exchange in the Oslofjord;Beyer;Helgoläander wiss. Meeresunters,1968
2. An analysis of some insect trap records;Bliss,1966
3. Are baseline surveys worthwhile?;Gray;New Scient.,1976
4. The structure of meiofauna communities;Gray;Sarsia,1978
5. Pollution induced changes in populations;Gray;Phil. Trans. R. Soc.,1979