TY - JOUR A1 - Brown, J.H. A1 - Marquet, P.A. A1 - Taper, M.L. T1 - Evolution of body size: consequences of an energetic definition of fitness Y1 - 1993 DO - 10.1086/285558 JF - The American Naturalist VL - 142 IS - 4 SP - 573 EP - -584 ER -