1. Bobok, E., Navratil, L., 1982. Constitutive Equation for Thixotropic-Pseudoplastic Crude Oils. Kőolaj és Földgáz 15/115, 6, 161–167 (in Hungarian).
2. Bobok, E., Navratil, L., Szilas, A.P., 1981. Investigation of Turbulent Head Loss for Pseudoplastic Crude Oils. MTA X. Oszt. Közl. 14/1 75–93 (in Hungarian).
3. The distribution of temperature in flowing wells;Boldizsár;Am. J. Sci.,1958
4. Static formation temperature from well log - an empirical method;Dowdle;J. Petroleum Technol.,1975
5. Calculation of formation temperature disturbances caused by mud circulation;Edwardson;J. Petroleum Technol.,1962