1. 1
    Published 1972
    ...QC 770 .E61...
    Serial
  2. 2
    Published 1961
    ...QC 770 .E61...
    Journal
  3. 3
    Published 1966
    ...QC 770 .E61...
    Journal
  4. 4
    by Matthews, K. M.
    Published 1993
    ...QC 913.2 .A8 .M439 pt. 3...
    Book
  5. 5
    by Matthews, K. M.
    Published 1989
    ...QC 913.2 .A8 .M439...
    Book
  6. 6
    Published 1996
    ...QC 770 .E61...
    Serial