K. Hansen

The background levels of the summer tropospheric aerosol and trace gases in Greenland

L. Rasmussen, N. Z. Heidam, W. J. Megaw, 1980 .

Preparation of Diffusion Denuder Tubes for Collection of Ammonia or Acidic Gases in Air. Equipment for Coating and Extraction

K. Fuglsang, K. Hansen, E. Lewin, 1984 .

The background level of the summer tropospheric aerosol, sulphur dioxide and ozone over Greenland and the North Atlantic Ocean

A. Hogan, N. Z. Heidam, E. Walther, 1976 .

Diffusion denuder assembly for collection and determination of gases in air

K. Hansen, E. Lewin, 1984 .