- 1961/1962 Correspondence of WG Chair
- Correspondence related to 1962 WG 9 Meeting
- Correspondence related to WG Report
- Chair(s)
- Wilbert McLeod Chapman
- Other Full Members
- Jacob Bjerknes (USA), Adolph O. Buckmann (Germany), D.H. Cushing (UK), David H. Davies (South Africa), Zacarias Popovici (Peru), Theodor Rass (USSR), Gunnar Rollefsen (Norway), Michitaka Uda (Japan)
- Publications