Single-layer and integrated YBCO gradiometer coupled SQUIDs Bär, L. R. ; Daalmans, G. M. ; Barthel, K. H. ; Ferchland, L. ; Kühnl, M. Selent M. ; Uhl, D. Abstract Publication: Superconductor Science Technology Pub Date: April 1996 DOI: 10.1088/0953-2048/9/4A/023 Bibcode: 1996SuScT...9...87B