1. 1
    ...HB 1 .H673...
    Journal
  2. 2
    Published 1965
    ...HF 5601 .A116...
    Journal
  3. 3
    Published 1990
    ...HF 5605 .A1726...
    Journal
  4. 4
    Published 2000
    ...HT 401 .R948...
    Serial
  5. 5
    Published 1962
    ...HB 1 .A938...
    Journal
  6. 6
    ...HC 682.25 .A1 .N312...
    Serial