Labels:bulletin board | sky | web site | window OCR: Further Reading THE BURGESS SHALE Henry B Whittington Yale University Press, 1985 EXTINCTION: SCIENTIFIC AMERICAN BOOK Steven M Stanley W.H. Freeman and Company, 1987 WONDERFUL LIFE THE BURGESS SHALE AND THE NATURE OF HISTORY Gould W W Norton 1989 THE BOOK OF LIFE Edited by Stephen Jay Gould W. W Norton, 1993
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