Tunnel d'Atal

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. Reichenspurner, Peter (2014): Rohtang Tunnel - Intermediate report at half distance / Rohtang-Tunnel - Zwischenbilanz nach halber Strecke. Dans: Geomechanics and Tunnelling, v. 7, n. 2 ( 2014), pp. 123-132.

   https://doi.org/10.1002/geot.201400003