Fitting Models to Biological Data Using Linear and Nonlinear Regression: A Practical Guide to Curve Fitting.ByHarvey Motulskyand, Arthur Christopoulos.Oxford and New York: Oxford University Press. $65.00 (hardcover); $29.95 (paper). 351 p; ill.; index. ISBN: 0–19–517179–9 (hc); 0–19–517180–2 (pb). 2