Sigurd Skogestad.

Near-optimal operation by self-optimizing control: From process control
to marathon running and business systems

Published in Comp.Chem.Engng., 29 (1), 127-137 (2004). 

Extended version of paper presented at: 
8th International Symposium on Process Systems Engineering (PSE'2003),
03-05 Jan. 2004 (original date was 22-27 June 2003), Kunming, China.