O. Lillesæter

Parallel-Beam Attenuation of Light, Particularly by Falling Snow

O. Lillesæter, 1965 .

Precipitation as a Cause of Seasonal and Latitudinal Variations in Radioactive Fall-Out

T. Hvinden, O. Lillesæter, A. Lillegraven, 1965, Nature.

Scattering of Microwaves by Adjacent Water Droplets in Air

O. Lillesæter, 1964, Nature.