Pollock, M. T., Stephani, H., Stewart, J. E., & Stewart, J. T. (1990). General relativity: An introduction to the theory of the gravitational field (Ed.2.).
Chicago Edition CitationPollock, Martin; Tr, Hans Stephani, John; Ed Stewart, i John; Tr Stewart. General Relativity: An Introduction to the Theory of the Gravitational Field. Ed.2. Cambridge, CUP, 1990.
Cita MLAPollock, Martin; Tr, et al. General Relativity: An Introduction to the Theory of the Gravitational Field. Ed.2. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.