Herbicide monitoring program for N-Methylformamide and Fluridone [Sonar(R)]
(Bibliography) Bibliography: p. 18.; (Statement of Responsibility) by Richard J. Pfeuffer.; "November 1990."
1990-11
Herbicide monitoring program for the active ingredient glyphosate
(Bibliography) Includes bibliographical references (p. 6-8).; (Statement of Responsibility) Richard J. Pfeuffer.; "February 1988."; Technical publication 88-1
1988-02
Herbicide monitoring program for the active ingredient Fluridone [Sonar(R)]
(Bibliography) Includes bibliographical references (p. 10).; (Statement of Responsibility) by Richard J. Pfeuffer.; "July 1988."; Technical publication 88-8
1988-07
