Schwarz, J. H. (2000). "Review of The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory by Brian Greene". American Journal of Physics. 68 (2): 199–200. doi:10.1119/1.19379. ISSN0002-9505.
Schwarz, J. H. (2000). "Review of The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory by Brian Greene". American Journal of Physics. 68 (2): 199–200. doi:10.1119/1.19379. ISSN0002-9505.