1. F. Chorlton, Vector and Tensor Methods, (Ellis Horwood Publisher, Chichester, U.K., 1977) 2. M. R. Spiegel, Vector Analysis, (McGraw Hill Book Company, Singapore, 1981) 3. A. W. Joshi, Matrices and Tensors in Physics, (Wiley Eastern Limited, 1991) 4. Hwei P. Hsu, Applied Vector Analysis, (Harcourt Brace Jovanovich Publishers, San Diego, New York, 1984)
