Werner Hartmann Jürg Nievergelt Raimond Reichert Kara, finite state machines, and the case for programming as part of general education. 135-141 2001 conf/vl/2001 HCC http://csdl.computer.org/comp/proceedings/hcc/2001/0474/00/04740135abs.htm db/conf/vl/hcc2001.html#HartmannNR01