TY - JOUR AU - Anna Clark AU - Marcel van den Berg AU - Joel Ullom C2 - IEEE Transactions on Applied Superconductivity DA - 2003-06-01 00:06:00 LA - en M1 - 13 PB - IEEE Transactions on Applied Superconductivity PY - 2003 TI - Fabricating NIS tunnel junctions on single crystal superconducting substrate by a lithographic process ER -