Mon, 26 Sep 2011 16:33:54 -0600 Kevin Walker straighten out 1-cat vs system of fields in Section 4, per referee
Sun, 25 Sep 2011 22:35:24 -0600 Kevin Walker minor
Sun, 25 Sep 2011 22:31:22 -0600 Kevin Walker remove TOP; searched of "topological" and "PL" to find places where we mention TOP
(0) -300 -100 -30 -10 -3 +3 +10 +30 tip