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Wimmer-Schweingruber, Robert; McNutt, Ralph; Schwadron, Nathan A.; Frisch, Priscilla C.; Gruntman, Mike; Wurz, Peter; Valtonen, Eino (2009). Interstellar heliospheric probe/heliospheric boundary explorer mission - a mission to the outermost boundaries of the solar system. Experimental astronomy, 24(1-3), pp. 9-46. Dordrecht: Springer 10.1007/s10686-008-9134-5
