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by Cowan, Steven B.; Spiegel, James
by Cowan, Steven B.; Wilder, Terry L.
by Stanley N. Gundry, Series Editor; Steven B. Cowan, General Editor
by Xu Liu; Steven Cowan
by Cowan, Steven B.; Spiegel, James S.
by Cowan, Steven B.
by McCulloch, Gary; Cowan, Steven