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	1.	No cover image available No cover image available Variation and evolution in plants and microorganisms [electronic resource] : toward a new synthesis 50 years after Stebbins / Francisco J. Ayala, Walter M. Fitch, and Michael T. Clegg, editors. by Ayala, Francisco Jos�e, 1934- Fitch, Walter M, 1929-2011 Clegg, Michael T, 1941- ProQuest (Firm) Colloquium on the Variation and Evolution in Plants and Microorganisms: Toward a New Synthesis 50 Years After Stebbins (2000 : Beckman Center of the National Academies) Material type: Text; Format: electronic ; Literary form: Not fiction Publication details: Washington, D.C. : National Academy Press, c2000 Online resources: Click to View Availability: No items available. Add to cart (remove)
	2.	No cover image available No cover image available Tempo and mode in evolution [electronic resource] : genetics and paleontology 50 years after Simpson / Walter M. Fitch, Francisco J. Ayala, editors. by Fitch, Walter M, 1929-2011 Ayala, Francisco Jos�e, 1934- ProQuest (Firm) Material type: Text; Format: electronic ; Literary form: Not fiction Publication details: Washington, D.C. : National Academy Press, 1995 Online resources: Click to View Availability: No items available. Add to cart (remove)
	3.	No cover image available No cover image available Colloquium on Variation and Evolution in Plants and Microorganisms--Toward a New Synthesis--50 Years After Stebbins [electronic resource] / [edited by Francisco J. Ayala, Walter M. Fitch, and Michael I. Clegg]. by Colloquium on Variation and Evolution in Plants and Microorganisms: Toward a New Synthesis: 50 years After Stebbins (2000 : Irvine, Calif.) Ayala, Francisco Jos�e, 1934- Fitch, Walter M, 1929-2011 Chegg, Michael I ProQuest (Firm) Series: National Academy of Sciences colloquium series Material type: Text; Format: electronic ; Literary form: Not fiction Publication details: Washington, D.C. : National Academy of Sciences, 2000 Online resources: Click to View Availability: No items available. Add to cart (remove)
	4.	No cover image available No cover image available Systematics and the origin of species [electronic resource] : on Ernst Mayr's 100th anniversary / Jody Hey, Walter M. Fitch, and Francisco Ayasla, editors. by Mayr, Ernst, 1904-2005 Hey, Jody Fitch, Walter M, 1929-2011 Ayala, Francisco Jos�e, 1934- ProQuest (Firm) Material type: Text; Format: electronic festschrift ; Literary form: Not fiction Publication details: Washington, D.C. : National Academies Press, c2005 Online resources: Click to View Availability: No items available. Add to cart (remove)

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