PYPOWER
Copyright (C) 1996-2011 Power System Engineering Research Center (PSERC)
Copyright (C) 2011 Richard Lincoln

This product includes software developed at PSERC (Cornell)
(http://www.pserc.cornell.edu/matpower/).

See also:
R. D. Zimmerman, C. E. Murillo-Sánchez, and R. J. Thomas, "MATPOWER
Steady-State Operations, Planning and Analysis Tools for Power Systems
Research and Education," Power Systems, IEEE Transactions on, vol. 26,
no. 1, pp. 12-19, Feb. 2011.
