THE FIELD OF MEAN VERTICAL VELOCITY AT 200 MB IN SOUTH TEMPERATE LATITUDES AS ESTIMATED FROM EOLE CONSTANT LEVEL BALLOON FLIGHTS

CHAMP DE VITESSE VERTICALE MOYENNE A 200 MB, AUX LATITUDES TEMPEREES AUSTRALES, D APRES LES TRAJETS DES BALLONS EOLE A NIVEAU CONSTANT

ANGELL [J.K.]