TY - BOOK AU - Purves,William K. TI - Life, the science of biology SN - 0716798565 (hardcover) AV - QH 308.2 .L5 2004 PY - 2004/// CY - Sunderland, Mass., Gordonsville, VA PB - Sinauer Associates, W.H. Freeman and Co. KW - Biology ER -