TY  - BOOK
AU  - Neergaard, Paul.
TI  - Seed-transmitted crop diseases
KW  - Cultivos
KW  - Enfermedades
KW  - Semillas
N1  - Sobretiro de : Science and Scientistis. Essay by Biochemists, Biologists and Chemists, 327-334, 1981
ER  -