TY - RPRT TI - Toward the use of remote sensing and other data to delineate functional types in terrestrial and aquatic systems AU - J. E. Estes AU - Thomas R. Loveland PY - 1999 DO - 10.1016/s0167-5117(98)80027-x UR - https://pubs.usgs.gov/publication/70182528 ID - 70182528 ER -