. . "E.H. Pechan & Associates." . . "Air and Energy Engineering Research Laboratory (U.S.)" . . . . . . . . "Multiple Projections System (MPS) user's manual, version 1.0 : project summary"@en . . . . . . . . . "Multiple Projections System (MPS) : user's manual, version 1.0 : project summary"@en . .