Amsterdam Metro Line 52

1. van Hasselt, D. R. S. / Hentschel, V. / Hutteman, M. / Kaalberg, F. J. / van Liebergen, J. C. G. / Netzel, H. / Snel, A. J. M. / Teunissen, E. A. H. / de Wit, J. C. W. M. (1999): Amsterdam's North/South metroline. In: Tunnelling and Underground Space Technology, v. 14, n. 2 (April 1999), pp. 191-210.

   https://doi.org/10.1016/s0886-7798(99)00033-4