1. 1
    by Coombe, P. L. (Philip Leslie)
    Published 1982
    ...HE 933.65 .C775...
    Thesis Book
  2. 2
    by Mann, Rica Isabella Moller
    Published 1943
    ...HE 297.5 .Z7 .S7 .M282...
    Thesis Book
  3. 3
    by Choo, Ban-Cheong
    Published 1982
    ...HE 297.5 .C548...
    Thesis Book
  4. 4
    by Walls, C. M.
    Published 1972
    ...HE 5717.5 .Z7 .T772 .W215 1972...
    Thesis Book