1. 1
    ...HD 61 .H758...
    Thesis Book
  2. 2
    by Chand, Anand
    Published 1988
    ...HD 5658 .A482 .F4 .C454...
    Thesis Book
  3. 3
    by Sullivan, Bridgette Emma
    Published 1994
    ...HD 62.15 .S949...
    Thesis Book