a management handbook for the 1980s Little, Dennis L. Dils, Robert E. Gray, John text Boulder, Colo Westview Press 1982 monographic xv, 316 p. : ill. ; 24 cm. Renewable natural resources Conservation of natural resources Energy policy 333 WES 1982 A018 Or. 0891586652 : 0865312176 (pbk.) :