TY  - GEN
AU  - Smedegård-Petersen, V.
TI  - The perithecial and pycnidial stages of Pyrenophora teres and P. graminea in Denmark Særtryk af FRIESIA X, 1-2 1972
PY  - 1973///
CY  - Copenhagen
PB  - The Royal Vet. and Agri. University
KW  - Pathology
KW  - PLANT DISEASES PATHOGENS
ER  -