mededelingen en verhandelingen. serie b On the kinematic structure of translation-layers between air masses / P. Groen mededelingen en verhandelingen On the behaviour of gravity waves in a turbulent medium, with application to the decay and apparent period increase of swell / by P. Groen mededelingen en verhandelingen. serie b On radiational cooling of the earth's surface during the night, especially with regard to the prediction of groundfrosts / P. Groen mededelingen en verhandelingen. serie b Contribution to the theory of internal waves / P. Groen
