Truth about DDT
Campbell, G.A., West, T.F.
Truth about DDT by G.A. Campbell and T.F. West - London 1945 - 64 p.
Pesticides
632.951 / C 187 T
Truth about DDT by G.A. Campbell and T.F. West - London 1945 - 64 p.
Pesticides
632.951 / C 187 T