00908nas 2200325zn 450 991072503050332120240315165643.0(CKB)5680000000308626(NjHacI)995680000000308626(EXLCZ)99568000000030862620240315a20079999 uu itaur|||||||||||txtrdacontentcrdamediacrrdacarrierAlpTransit in Ticino /AlpTransit Gotthard AGBellinzona :AlpTransit Gotthard AG,2007.1 online resourceTunnelsHistoryTunnelsDesign and constructionTunnelsHistory.TunnelsDesign and construction.624.19309NjHacINjHaclJOURNAL9910725030503321AlpTransit in Ticino2124294UNINA