B5569. Mededelingen Rijks Geologische Dienst nieuwe serie no.22 (1973): The upper quaternary of the Dinkel valley (Twente, Eastern Overijssel, The Netherlands)
B5569. Mededelingen Rijks Geologische Dienst nieuwe serie no.22 (1973): The upper quaternary of the Dinkel valley (Twente, Eastern Overijssel, The Netherlands)