C. Mahaney William et Andres Wolfgang, Scanning electron microscopy of quartz sand from the north-central Saharan desert of Algeria, Zeitschrift fur Geomorphologie. Supplementband Zeitschrift fur Geomorphologie. Supplement;Zeitschrift fur Geomorphologie. Supplementary issue Annals of geomorphology. Supplement;Annales de geomorphologie. Supplement, 103, 1996, pp. 179-192