Grugel, R. N., Hellawell, A.
North-Holland
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Sarazin R. J., Hellawell A.
Kluwer Academic Publishers
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Grugel,R.N., Poorman,R.
Trans Tech Publications
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L. Battezzati, E. Johnson, N. Pryds, A. Penna, S. Curiotto
Trans Tech Publications
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Grugel, Richard N.
National Aeronautics and Space Adminstration
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Rios, C. T., Milenkovic, S., Caram, R.
Trans Tech Publications
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Angers, L. M., Grugel, R. N., Hellawell, A., Draper, C. W.
North-Holland
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Kolbe, M., Gao, J.R., Reutzel, S.
Trans Tech Publications
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Hellawell A.
Martinus Nijhoff Publishers
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Zaidat, K., Ouled-Khachroum, T., Mangelinck-Noel, N., Reinhart, G., Dupouy, M.D., Moreau, R.
Trans Tech Publications
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Lograsso, Thomas A.
National Aeronautics and Space Adminstration
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Grugel, R., Anilkumar, A.
American Institute of Aeronautics and Astronautics
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