1. 1
    Published 1990
    ...QC 981.8 .C5 .C0958...
    Journal
  2. 2
    Published 1990
    ...QC 875.2 .A62 .P762...
    Book
  3. 3
    by Ramsey, Andrew James
    Published 2019
    ...QC 16 .R9 .R183 2019...
    Book