1. 1
    Published 1989
    ...HF 51.5 .N532...
    Journal
  2. 2
    Published 1976
    ...HF 51.5 .N532...
    Journal
  3. 3
    Published 1982
    ...HN 41 .B863...
    Journal
  4. 4
    Published 1978
    ...HC 60 .D4892...
    Journal
  5. 5
    ...HC 59.8 N532...
    Journal
  6. 6
    Published 1966
    ...HC 60 .V0985...
    Journal
  7. 7
    Published 1971
    ...HC 60 .V0985...
    Journal