Bibliography of doctoralo dissertations 1992: natural and applied sciences /

Eitemau Tebyg

• Bibliography of doctoral dissertations 1990: natural and applied sciences /
  Cyhoeddwyd: (1994)
• Bibliography of doctoral dissertations 1993: natural and applied sciences /
  gan: Association of Indian Universities
• Bibliography of doctoral dissertations 1979-80: Natural and applied sciences /
  Cyhoeddwyd: (1982)
• Bibliography of doctoral dissertations 1983-84: natural and applied sciences /
  Cyhoeddwyd: (1987)
• Bibliography of doctoral dissertations 1982-83: natural and applied sciences /
  Cyhoeddwyd: (1986)