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by David A. Torrance
by Olson, David R.; Torrance, Nancy
by Torrance, Thomas Forsyth; Torrance, James B.; Torrance, David V.
by Edited by David R. Olson , Nancy Torrance
by Fergusson, David A. S.; McFarland, Ian A.; Kilby, Karen; et al.
by McFarland, Ian A.; Fergusson, David A. S.; Kilby, Karen; et al.
by Calvin, John; Fraser, John W.; Torrance, David W.; et al.