1. 1
    by Hempenstall, Peter J.
    Published 1969
    ...HF 3568 .P16 .H491...
    Thesis Book
  2. 2
    by Webber, David, 1953-
    Published 1986
    ...HC 681 .W371...
    Thesis Book
  3. 3
    ...HE 8620.7 .Z5 .O34 1986...
    Thesis Book
  4. 4
    by Race, Garry Leonard
    Published 1996
    ...HC 681.3 .E5 .R118 1996...
    Thesis Book
  5. 5
    by Williams, Nuhisifa
    Published 1998
    ...HQ 1240.5 .O3 .W725 1998...
    Thesis Book
  6. 6
  7. 7
    by Pattiya, Patranan
    Published 1993
    ...HC 681 .P321 1993...
    Thesis Book