TY - RPRT TI - Seasonal vegetation monitoring with AVHRR data for grasshopper and locust control in West Africa AU - G. Gray Tappan AU - S. M. Howard AU - Thomas Loveland AU - Dean J. Tyler AU - D. G. Moore PY - 1988 UR - https://pubs.usgs.gov/publication/70231357 ID - 70231357 ER -