Weed control : as a science / Glenn C. Klingman ; with the editorial assistance of Lyman J. Noordhoff. Klingman, Glenn C. Weeds Control. Herbicides. SB611 .K55 632.954 KLW Includes bibliographies and index. New York : John Wiley & Sons, c1961. c1961. 1961 Text 421 p. : eng