TY - BOOK AU - Huggett,Richard J. TI - Modelling the human impact on nature: systems analysis of environmental problems SN - 0198741715 PY - 1993/// CY - Oxford PB - Oxford University Press KW - Human ecology KW - Mathematical models KW - Man KW - Influence on nature KW - Environmental degradation N1 - Includes bibliographical references and index ER -