1. Southern displacement of the North Atlantic low;Abramov;Dokl. Akad. Navk SSSR,1966
2. Quasi-biennial variations in the centres of action;Angell;Mon. Wea. Rev.,1969
3. The east-west oscillation of the Icelandic minimum as shown by monthly pressure charts;Brooks;Met. Mag.,1923
4. Snowfalls over south-east England 1945-69;Clarke;Weather,1969