1. Cambridge and Imperial College Expeditions to Greenland, 1972
2. Sur la stabilisation de la course d'une sonde thermique;Philberth;Comptesrendus hebdomadaires des séances de l'Académic des sciences (Institut de France), Paris,1966
3. A Discussion on the measurement and interpretation of changes of strain in the Earth - Strain measurement instrumentation and technique
4. Development of a vertically stabilized thermal probe for studies in and below ice sheets;Aamot;Transactions of the American Society of Mechanical Engineering. Series B. Journal of Engineering for Industry,1970
5. The orthocyclic method of coil winding;Lenders;Philips Technical Review,1961