found: New evaluation procedures for a new ... 1996:CIP t.p. (Douglas Olson) data sheet (Olson, Douglas C.; b. 04-02-49)
found: Avaliação econômica e financeira de projetos de irrigação, 1993:p. opp. t.p. (Douglas C. Olson; engo. de planejamento, Bureau of Reclamation [U.S.])
found: Maki, W.R. A dynamic simulation model for analyzing ...t.p. (Douglas Olson; Univ. of Minnesota, Dept. of Agriculture and Applied Economics, assigned to Forestry Sciences Lab., Corvallis, OR)
found: OCLC, Apr. 3, 1997(hdgs.: Olson, Douglas C.; Olson, Doug; Olson, Douglas Charles; usage: Douglas C. Olson; Doug Olson; Doug C. Olson; Douglas Charles Olson)