1. Bergerhoff, W., Martin, A.: Messungen von Winkeln und Strecken am Röntgenbild des Schädels von Säuglingen und Kleinkindern. Fortschr. Geb. Roentgenstr. Nuklearmed.80, 742 (1954)
2. Bützler, H.-O., Friedmann, G., Gawlich, R.: Plain film findings of the skull in hydrocephalus and normal infants during the first months of life. Ann. Radiol. (Paris)16, 245 (1973)
3. Drey, L.: Roentgenographic study of the growth of the skull. Ann. Paediat.188, 182 (1957)
4. Ebel, Kl.-D.: Craniometry of pathologically shaped skull Ann. Radiol. (Paris)16, 239 (1973)
5. Krogness, K. G., Nyland, H.: Cranial base indices. The growth rate of the cranial base between Nasion and Inion. (In press)