1. 1
    Published 1984
    ...HC 411 .A832...
    Serial
  2. 2
    Published 1986
    ...HC 661 .Q1 c...
    Serial
  3. 3
    Published 1978
    ...HC 622 .N532 em...
    Journal
  4. 4
    ...HX 15 .S678...
    Serial
  5. 5
    Published 1989
    ...HC 411 .A1 .A8322...
    Serial
  6. 6
    Published 1999
    ...HC 240 .A1 .E89...
    Serial
  7. 7
    Published 1978
    ...HF 5001 .N277 r...
    Journal
  8. 8
    Published 1986
    ...HC 661 .Q1...
    Journal