1. British Stoneworts (Charophyta);Allen,1950
2. Water Plants, a Study of Aquatic Angiosperms;Arber,1920
3. Mode of Action of Herbicides;Ashton,1973
4. The effect of time of application on the susceptibility of some emergent water plants to Dalapon;Barrett,1971
5. Further studies on the seasonal changes in the susceptibility of some emergent water plants to Dalapon;Barrett,1974