rwxr-xr-x 4273/0 0 Jun 2 17:28 1994 papers/ rw-r--r-- 4273/0 868822 Feb 4 03:01 1994 papers/Yaeger.ALife3.2.ps rw-r--r-- 4273/0 1016466 Feb 4 02:58 1994 papers/Yaeger.ALife3.1.ps