B. T. Clegg Building a Holarchy Using Business Process-Oriented Holonic (PrOH) Modeling. 23-40 2007 37 IEEE Transactions on Systems, Man, and Cybernetics, Part A 1 http://doi.ieeecomputersociety.org/10.1109/TSMCA.2006.886343 db/journals/tsmc/tsmca37.html#Clegg07