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2. Fundamentals of Reservoir Engineering;Dake,1978
3. The Material Balance as the Equation of a Straight Line;Havlena,1963
4. Havlena, D. and Odeh, A.S.: The Material Balance as the Equation of a Straight Line. Part II —Field Cases, JPT, July 1964
5. Matthews, C.S., Brons, F. and Hazebroek, P.: A Method for the Determination of Average Pressure in a Bounded Reservoir, Trans., AIME., 1954