1. Row echelon form   
   Planet Math., Math for the people, by the people.  
2. Row Echelon Decomposition   
   Robert Corless, Applied Math. Dept., Univ. of Western Ontario, London, Canada  
3. Reading the solutions from the row echelon form  
   Peter Kostelec, Math. Dept., Dartmouth College, Hanover, NH  
4. Row-Echelon Form and Reduced Row-Echelon Form  
   Carol Dochen, Southwest Texas State University-San Marcos, Texas  
5. Reduced Row Echelon Form for Matrices  
   Laurie Johnson, Math. Dept., Trinity College, Washington, DC  
6. Row-Reduced Echelon Form  
   StefanWaner; Steven R. Costenoble, Math. Dept., Hofstra Univ., Hempstead, NY
7. Gauss-Jordan Elimination  
   ASPIRE, Department of Energy's Adventures in Supercomputing Program  
8. ...  Row Echelon Form
   Terry McConnell, Matht Dept., Syracuse University, NY  
9. The Online Row Reducer applet  
   Gregory D. Landweber, Math. Dept., University of Oregon, Eugene, OR  
10. The Reduced Row-Echelon Form is Unique PDF  
    William Kahan, Math. Computer Science, University of California, Berkeley, CA  
11. Echelon Form of a Matrix PDF  
    Oana Mocioalca, Math. Dept., Purdue University, West Lafayette, IN
12. Echelon Form Tutorial  applet
    Alan Genz, Math. Dept., Washington State University, Pullman, WA  

(c) John H. Mathews 2004