TY  - BOOK
AU  - By Magi, E.A.
AU  - E.A. Magi
TI  - Some Biotic and Abiotic Factors Influencing the Emergence of Larvae of the Potato Cyst Nematode. (Heterodera Rostochiensis Woll.)
PY  - 1974///
CY  - USA
ER  -