Mcewen, Freeman Lester 1926, The use and significance of pesticides in the environment / F. l. mcewen, g. r. stephenson - 538 páginas "a wiley-interscience publication" ISBN: 0-471-03903-9 Subjects--Topical Terms: PesticidasPesticidas--Medio ambiente, Aspectos del LC Class. No.: SB951 / M34