Climate change in earth history : policy implications.

Zalasiewicz, J. and Gibbard, P. and Waters, C. and Gregory, F.J and Barry, T. and Bown, P.R and Brenchley, P. and Cantrill, D.J and Coe, A.L. and Cope, J.C.W and Know, R. and Gale, A. and Hounslow, M. W. and Marshall, J. and Powell, J. and Oates, M. and Smith, A. and Stone, P. and Rawson, P. and Trewin, N. and Williams, M. (2006) Climate change in earth history : policy implications. Science in Parliament, 63 (3). p. 2. ISSN 0263-6271