Several alternative approaches to the manufacturing of HTS Josephson junctions J.C. Villegier, H. Boucher, A. Ghis, M. Levis, L. Mechin, H. Moriceau, F. Pourtier, M. Vabre, S. Nicoletti and L. Correra J. Phys. IV France, 04 C6 (1994) C6-197 DOI: 10.1051/jp4:1994631