Lemke, P.; International Council of Scientific Unions (ICSU); World Meteorological Organization (WMO); ACSYS Numerical experimentation group, 1st session (16-19 November 1998); Intergovernmental Oceanographic Commission of the United Nations Educational, Scientific and Cultural Organization (IOC-UNESCO)
Lemke, P.; Colony, R.; International Council for Science (ICSU); World Meteorological Organization (WMO); ACSYS Sea ICE/Ocean Modelling (SIOM) Panel and the ACSYS Workshop on Sea Ice Thickness Measurements and Data Analysis, 4th session (7-11 April 1997); Intergovernmental Oceanographic Commission of the United Nations Educational, Scientific and Cultural Organization (IOC-UNESCO)
Lemke, P.; International Council of Scientific Unions (ICSU); World Meteorological Organization (WMO); ACSYS sea-ice/ocean modelling workshop, 2nd session (18-20 September 1995); Intergovernmental Oceanographic Commission of the United Nations Educational, Scientific and Cultural Organization (IOC-UNESCO)
Lemke, P.; International Council of Scientific Unions (ICSU); World Meteorological Organization (WMO); ACSYS sea-ice/ocean modelling workshop, 3rd session (17-20 August 1996); Intergovernmental Oceanographic Commission of the United Nations Educational, Scientific and Cultural Organization (IOC-UNESCO)