TY - JOUR ID - iiasa13662 UR - https://pure.iiasa.ac.at/id/eprint/13662/ IS - 4 A1 - Clark, W. Y1 - 1986/07/08/ PB - Taylor & Francis JF - Environment: Science and Policy for Sustainable Development VL - 28 SN - 0013-9157 TI - Environmental History SP - 1 AV - none EP - 1 ER -