Rosen, B.; Okuda, H. & Di Massa, L. G. BPERP, BSLANT, and GLOBE: optimized codes for the simulation of plasmas in a static uniform magnetic field, report, June 1, 1972; (https://digital.library.unt.edu/ark:/67531/metadc1034426/m1/1/: accessed April 20, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .