Tunnel ferroviaire de Pir Panjal

1. Merzagora, Eugenio A. / Sigismondo, Monica (2016): Avanzamenti in Sotterraneo in India. Dans: Strade e Autostrade, v. 20, n. 119 (septembre 2016), pp. 58-59.
2. Golger, Mario / Höfer-Öllinger, Giorgio / Prinzl, Friedrich (2014): The Pir Panjal Railway Tunnel. Dans: Geomechanics and Tunnelling, v. 7, n. 2 ( 2014), pp. 133-141.

   https://doi.org/10.1002/geot.201400008