De Ong, E. R.
Chemistry and uses of pesticides / E. R. De Ong. - 2nd ed. - New York : Reinhold, 1956. - ix, 334 p. : ill. ; 22 cm. - Modern Asia editors ; .
Includes Index.
337 337
Insecticides.
543.5 / D44c
Chemistry and uses of pesticides / E. R. De Ong. - 2nd ed. - New York : Reinhold, 1956. - ix, 334 p. : ill. ; 22 cm. - Modern Asia editors ; .
Includes Index.
337 337
Insecticides.
543.5 / D44c