TY - JOUR VL - 18 EP - 452 ID - eprints70 SP - 446 N2 - Book reviewed in this article:Science and Scepticism. By John W.N. Watkins. PB - Blackwell Publishing Ltd A1 - Gattei, Stefano IS - 4 JF - Cladistics UR - http://dx.doi.org/10.1111/j.1096-0031.2002.tb00160.x Y1 - 2002/// AV - none TI - The Positive Power of Negative Thinking ER -