Symptoms induced by phytotoxic gases within conifer needles can be differentiated histologically from those causes by other abiotic agents including winter drying, drought, and salt. However, it is not possible to differentiate among symptoms...
United States--Politics and government--20th century
Mike Mansfield Papers, Series 21, Box 38, Folder 19, Mansfield Library, University of Montana
Speech of Senator Mike Mansfield (D., Montana)
RELEASE FOR P.M. s, Wednesday, April 18, 1956
REVIEW OF FOREIGN POLICY - IV
A Constructive Policy in the...