1. 01. English Non Fiction Extinction : bad genes or bad luck? / by Raup, David M. Publication: New York : W.W. Norton, 1991 . xvii, 210 p. : 22 cm. Date:1991 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Mass extinction : examining the current crisis / by Andryszewski, Tricia, Publication: Minneapolis : Twenty-First Century Books, 2008 . 111 p. : 23 cm. Date:2008 Availability: Copies available: (1), Actions: