TY - RPRT TI - The integration of manual and automatic image analysis techniques with supporting ground data in a multistage sampling framework for timber resource inventories: Three examples AU - Gialdini, M. AU - Titus, S. J. AU - Nichols, J. D. AU - Thomas, R. PY - 1975 UR - https://ntrs.nasa.gov/citations/19760010455 ID - 19760010455 ER -