1. The permeability of porous materials;Childs;Proc. R. Soc., London,1950
2. Het warmtegeleidingsvermogen van grond;de Vries;Med. Landbouwhogeschool, Wageningen,1952
3. The thermal conductivity of granular materials;de Vries;Annexe 1952-1 Bul. Inst. Intern. du Froid,1952
4. Soil water movement and evaporation from bare soil;de Vries;Secönd Aust. Conf. Soil Sci. Proc.,1957
5. On the cylindrical probe method of measuring thermal conductivity (with special reference to soils), I, Extension of the theory and discussion of probe characteristics;de Vries;Austr. J. Phys.,1958