1. Stresses in Shells;Flügge,1961
2. Design of the dome shell roof for Smithfield poultry market;Ahm,1961
3. The stone skeleton;Heyman;Int. J. Solids Struct.,1966
4. J. Heyman, On the rubber vaults of the Middle Ages, and other matters. Gaz. Beaux-Arts. To be published.