1. The Normal Encephalogram;Davidoff,1951
2. The Abnormal Pneumoencephalogram;Davidoff,1950
3. A pneumographic study of the temporal horn with special reference to tumours in the temporal region;Lindgren;Acta Radiol,1948
4. Radiologic examination of the brain and spinal cord;Lindgren;Acta Radiol,1957
5. Pneumoencephalography;Robertson,1957