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by Sharpe, Norean R.; De Veaux, Richard D.; Velleman, Paul F.
by Sharpe, Norean; De Veaux, Richard; Velleman, Paul
by Carter, Gerald; Sharpe, Richard
by Sharpe, Richard; Potter, Tim; Morris, Jim
by Sharpe, Richard
by Combs, Gerald; Sahlberg, Ronnie; Sharpe, Richard
by Sharpe, Norean R.; De Veaux, Richard D.; Velleman, Paul
by Norean D. Sharpe; Richard D. De Veaux; Paul F. Velleman