1. 1
    Published 1989
    ...HG 4503 .M742...
    Journal
  2. 2
    Published 1986
    ...HG 4503 .N532...
    Journal
  3. 3
    Published 1986
    ...HG 4503 .P467...
    Journal
  4. 4
    Published 1987
    ...HG 4502 .P467...
    Journal
  5. 5
    ...HG 5980.5 .C2 .C229...
    Journal
  6. 6
    Published 1998
    ...HD 7106 .N5 .A374...
    Journal
  7. 7
    Published 1997
    ...HD 7106 .N5 .A374...
    Journal
  8. 8
    ...HF 5001 .N277 i...
    Journal
  9. 9
    Published 1976
    ...HF 5001 .N277 i...
    Journal