Critical currents in superconductors [by] A.M. Campbell and J.E. EvettsA.M Campbell · First published 1972Open the Tome
A centenary retrospect, R. & J. Cockburn 1805, Cockburn & Campbell 1831-1931Cockburn and Campbell Ltd. · First published 1931Open the Tome
A letter from J. Campbell, a physician in the country, to his friend in townCampbell, J. M.D. · First published 1746Open the Tome
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