Collective-pinning properties of superconducting a-NbxGe and a-MoxSi films : observations of structural phase transitions in the flux-line lattice / Roger WördenweberMicrostructural and kinetic studies of the manufacturing of superconducting Nb3Sn / Willem Lambert NeijmeijerThe production of Nb3Al superconducting wire by the powder metallurgy process / Cornelis Leo Hans ThiemeThe oxidative dehydrogenation of propane / Richard Henricus Hugo SmitsQuantum limited heterodyne detection of 400-840 GHz radiation with superconducting Nb tunnel junctions / Gerhard de LangeNiobium, tantalum, molybdenum and tungsten : report of a conference held in the University of Sheffield, 20th-22nd Sept., 1960 and org. by the Department of Metallurgy / ed. by A.G. QuarrellMesoscopic transport in superconductor - semiconductor structures / Petrus Hubertus Cornelis MagnéeMesoscopic transport in superconductor - semiconductor structures / Petrus Hubertus Cornelis MagnéeProperties of the flux-line solid and liquid in amorphous Nb3Ge films / Martinus Henricus TheunissenFundamental limitations of THz and Niobiumnitride SIS mixers / door Pieter DielemanFundamental limitations of THz niobium and niobiumnitride SIS mixers / Pieter DielemanElectronic structure and Fermi surface properties of Nb3Sn and Nb3Sb / Augustinus Thomas van KesselFlux pinning by voids in surface-oxidized superconducting niobium and vanadium / by G.P. van der MeijThe chemistry of niobium and tantalum / by F. FairbrotherFlux pinning by voids in surface-oxidized superconducting niobium and vanadium / Govert Pieter van der MeijModulated structures of some group V transition metal compounds / Klaas Derk Bronsema