Schultz, R., Haenel, R., & Kockel, F. (1991). Catalogue of Heat Flow Density Data: Federal Republic of Germany (Western Federal States). In V. Cermak, R. Haenel, & V. Zui (Eds.), Geothermal Atlas of Europe (p. 115). Berlin: Hermann Haack Verlagsgesellschaft mbH.
1979
Haenel, R., G. Gr\/onlie, & Heier, K. S. (1979). Terrestrial heat flow determination in Norway and an attempted interpretation. In V. Cermak & L. Rybach (Eds.), Terrestrial Heat Flow in Europe (pp. 232–239). Springer Verlag.
1974
Haenel, R. (1974). Heat Flow Measurements in Northern Italy and Heat Flow Maps of Europe. Zeitschrift Für Geophys., 40, 367–380.
1974
Haenel, R. (1974). Heat flow measurements in the Norwegian Sea. Meteor. Forschungsergebn., C17, 74–78.
1973
Haenel, R., & Zoth, G. (1973). Heat Flow Measurements in Austria and Heat Flow Maps of Central Europe. Zeitschrift Für Geophysik, 39, 425–439.
1972
Haenel, R. (1972). Heat Flow measurements in the Red Sea and the Gulf of Aden. Zeitschrift Für Geophysik, 38, 1035–1047.
1972
Haenel, R. (1972). Heat Flow measurements in the Ionian sea with a new heat flow probe. Meteor. Forschungsergebn., C11, 105–108.
1971
Haenel, R. (1971). Heat flow measurements and a first heat flow map of Germany. Z. Geophys., 37, 975–992.
1970
Haenel, R. (1970). Eine Neue Methode zür Bestimmung der Terrestrischen Waermestromdichte in Binnenseen. Z. Geophys., 36, 725–742.