1. A.P. French, Special Relativity (W.W. Norton, New York, 1968), p.78
2. H.D. Young, R.A. Freedman, Sears and Zemansky’s University Physics with Modern Physics, 12th edn. (Pearson, Addison Wesley, 2008), p. 1284, paragraph below Eq. (37.18). (Specifically, they write: “ ...we note that the principle of relativity requires that the form of the transformation from $$S$$ to $$S^{\prime }$$ be identical to that from $$S^{\prime }$$ to $$S$$. The only difference is a change in the sign of the relative velocity component $$u$$.)
3. Raymond A. Serway, John W. Jewett, Physics for Scientists and Engineers with Modern Physics, 9th edn. (Brooks/Cole Cengage, Boston, MA, 2012), p.1211
4. A. Pelissetto, M. Testa, Am. J. Phys. 83(4), 38–340 (2015)
5. K.M. Browne, Am. J. Phys. 88(3), 207–213 (2020)