%0 Journal Article %A Helbig, K. %T EDITORIAL %D 1983 %J Geophysical Prospecting, %V 31 %N 6 %P 859-860 %@ 1365-2478 %R https://doi.org/10.1111/j.1365-2478.1983.tb01093.x %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/journals/10.1111/j.1365-2478.1983.tb01093.x