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Bertino, J. R. Karger (1988)
Scher, H.; Gralla, R.; Linares, L.; Kris, M.; Heelan, R.; Shank, B. Karger (1988)
Safai, B.; Lowenthal, D. A.; Koziner, B. Karger (1987)
Massie, M. J.; Tross, S.; Price, R. W.; Holland, J. C.; Redd, W. H. Karger (1987)