ON BALANCING SUPERCONDUCTING GRADIOMETRIC MAGNETOMETERS Aittoniemi K., Karp, P.J., Katila T., Kuusela M.L. et Varpula T. J. Phys. Colloques, 39 C6 (1978) C6-1223-C6-1225 DOI: 10.1051/jphyscol:19786541