M. Langer

Lidar observations of polar stratospheric clouds at Andøya, Norway, in January 1992

U. Zahn, K. Fricke, B. Knudsen, 1994 .

Noctilucent clouds and the thermal structure near the Arctic mesopause in summer

F. Lübken, K. Fricke, M. Langer, 1996 .

First simultaneous and common volume observations of noctilucent clouds and polar mesosphere summer echoes by lidar and radar

Werner Singer, K. H. Fricke, W. Singer, 1996 .

Rayleigh lidar detection of aerosol echoes from noctilucent cloud altitudes at the Arctic Circle

K. Fricke, M. Langer, K. Müller, 1995 .

Comparison between the expected and the observed range distributions of sources of radar echoes due to the perseids

L. Ronchi, A. Consortini, M. Langer, 1966 .