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Citation: Jt. Sorensen et al., Animal welfare as one among several values to be considered at farm level:The idea of an ethical account for livestock farming, ACT AG SC A, 2001, pp. 11-16

Authors: Stein, A Riley, J Halberg, N

Citation: A. Stein et al., Issues of scale for environmental indicators, AGR ECO ENV, 87(2), 2001, pp. 215-232

Authors: Dalgaard, T Halberg, N Porter, JR

Citation: T. Dalgaard et al., A model for fossil energy use in Danish agriculture used to compare organic and conventional farming, AGR ECO ENV, 87(1), 2001, pp. 51-65

Authors: Halberg, N

Citation: N. Halberg, Indicators of resource use and environmental impact for use in a decision aid for Danish livestock farmers, AGR ECO ENV, 76(1), 1999, pp. 17-30