1. 1
    Journal
  2. 2
    by Luke, R. Harry
    Published 1986
    Book
  3. 3
    by Luke, R. Harry
    Published 1978
    Book
  4. 4
    Published 1928
    Conference Proceeding Book
  5. 5
  6. 6
    Published 1967
    Book
  7. 7
    Published 1951
    Journal
  8. 8
    Serial
  9. 9
    Published 1963
    Book