TY - BOOK AU - Groot,W.T.de TI - Environmental science theory: concepts and methods in a one-world, problem-oriented paradigm T2 - Studies in environmental science SN - 0444889930 PY - 1992/// CY - Amsterdam PB - Elsevier North-Holland KW - Environmental protection KW - Philosophy N1 - Includes bibliographical references (p. 543-580) and index ER -