1. 1
    Published 1981
    ...HF 5667 .A9121...
    Journal
  2. 2
    Published 1980
    ...HJ 98.22 .A6 .M369 i...
    Journal
  3. 3
    Published 1988
    ...HF 5601 .A172 c...
    Journal
  4. 4
    ...HJ 99.2 .A6 .R425...
    Journal
  5. 5
    Published 1990
    ...HJ 98.6 .A6 .K58...
    Journal
  6. 6
    Published 1998
    ...HF 5668.25 .N532...
    Journal
  7. 7
    ...HJ 98.22 .A6 .M369...
    Journal