1. 1
    Published 1981
    ...QC 874.3 .D997...
    Book
  2. 2
    Published 1985
    ...QC 981.7 .D94 .S437...
    Book
  3. 3
    by Ghil, Michael
    Published 1987
    ...QC 809 .F5 .G424...
    Book