E. F. M. Van Der Held

The relation between the heat transfer and the convection phenomena in enclosed plane air layers

J. G. A. De Graaf, E. F. M. Van Der Held, J. G. A. D. Graaf, 1953 .

The contribution of radiation to the conduction of heat

E. F. M. Van Der Held, E. V. D. Held, 1952 .

The contribution of radiation to the conduction of heat: II. Boundary conditions

E. F. M. Van Der Held, E. V. D. Held, 1953 .