Nematodes of Puerto Rico the genus Helicotylenchus Steiner 1945 (Nematoda : Hopl
Roman, J.
Nematodes of Puerto Rico the genus Helicotylenchus Steiner 1945 (Nematoda : Hopl - Rio Piedras 1965 - 24 p. - No. 41; Puerto Rico Agricultur .
Nematodes of Puerto Rico the genus Helicotylenchus Steiner 1945 (Nematoda : Hopl - Rio Piedras 1965 - 24 p. - No. 41; Puerto Rico Agricultur .