1. 1
    ...HQ 1101 .N277...
    Serial
  2. 2
    Published 1995
    ...HE 560 .A89 .A898 p...
    Journal
  3. 3
    Published 1997
    ...HD 6278 .N51 .A898...
    Serial
  4. 4
    Published 1999
    ...HE 560 .A89 .A898 r...
    Journal
  5. 5
    Published 1998
    ...HE 560 .A89 .A898 ra...
    Serial
  6. 6
    Published 1972
    ...HN 930.1 .A1 .I43...
    Journal