1. 1
  2. 2
    by Taylor, Kenneth Norman Robert
    Published 1972
    ...QC 176 .T243...
    Book
  3. 3
    by Wybourne, Brian G.
    Published 1965
    ...QC 454 .W976 s...
    Book
  4. 4
    Published 1989
    ...QC 757.9 .S989 1989...
    Conference Proceeding Book