1. 1
    ...HF 5500.3 .N5 .S898...
    Serial
  2. 2
    Published 1997
    ...HE 9670.5 .A5 .N277 pf...
    Journal
  3. 3
    Published 1998
    ...HG 4027.7 .S724 1998...
    Book
  4. 4
    Published 2000
    ...HE 9670.5 .A5 .N277 pf...
    Journal
  5. 5
    Published 2001
    ...HF 5318.5 .W1 .N532...
    Serial