1. Echo-encephalography — A standardized technique for the measurement of the width of the third and lateral ventricles;Ford,1966
2. Possibilities and reliability of echoventriculography;Kazner;Ultrasound in Med. and Biol.,1973
3. Echo-encephalografie bij normale pasgeborenen en zuigelingen (A-scan);Krijgsman;Thesis,1970
4. Echo-encephalography in normal newborns and infants (A-scan);Krijgsman;Neuropädiatrie,1972
5. Zur Validität der Echo-encepahlographie der inneren Liquorräume;Krüger;Nervenarzt,1968