Eradication of black fly larvae (Simulium sp.) for a long term by the use of DDT at a critical time /
Prévost, Gustave
Eradication of black fly larvae (Simulium sp.) for a long term by the use of DDT at a critical time / Gustave Prévost - [S.l. : s.n.], 1949 - 8 p. ; 26 cm
Eradication of black fly larvae (Simulium sp.) for a long term by the use of DDT at a critical time / Gustave Prévost - [S.l. : s.n.], 1949 - 8 p. ; 26 cm