1. 1
    Published 1997
    ...HE 1 .T772...
    Journal
  2. 2
    Published 1991
    ...HE 297.5 .P287...
    Journal
  3. 3
    Published 1999
    ...HE 1 .T772...
    Journal
  4. 4
    Published 2009
    ...HE 199.5 .D3 .H0677...
    Journal
  5. 5
    ...HE 199.5 .D3 .R432...
    Journal
  6. 6
    Published 1990
    ...HE 4201 .P976...
    Journal