1,991 - 2,000 toradh á dtaispeáint as 2,039 toradh san iomlán ar an gcuardach 'Philippine Engineering Journal', am iarratais: 0.04s Beachtaigh na torthaí
  1. 1991
  2. 1992
  3. 1993
  4. 1994
  5. 1995
  6. 1996
  7. 1997
  8. 1998
  9. 1999
  10. 2000