Hochgebirge von Semien-Athiopien. Vol. II. Klima und Dynamik der Hohenstufung von der letzten Kaltzeit bis zur Gegenwart.. (Simen Mountains Ethiopia. Vol. II. Climate and the dynamics of altitudinal belts from the last cold period to the present day)
Zum räumlichen Beziehungsverhältnis von Bevolkerungsdynamik und agrarer Tragfähigkeit in Tunesien. (On spatial interrelation between population dynamics and agrarian carrying capacity in Tunisia)
Analyses of samples of surface sediments from 30 localities in the Niger Delta showed that the distribution and nature of clay minerals are related to source and hydro-dynamic processes.
choosen and makes the agricultural crisis increase by drawing off lands and men. The incontestable industrial dynamism sets the problem of the connections with the new sub-urban factories and the old town structures. (JPD).
The anomalies of rainfall spatial distribution in Cameroon during the 1969-1973 dry period point out the defects of the monsoon which means defects of the austral atmospheric dynamics. To the shortage of the Sahelian extreme North which depends upon