E. Billing

发表

PRINCIPLES AND APPLICATIONS OF FIRE BLIGHT RISK ASSESSMENT SYSTEMS

E. Billing, E. Billing, 1984 .

FIRE BLIGHT RISK ASSESSMENT: BILLING'S INTEGRATED SYSTEM (BIS) AND ITS EVALUATION

E. Billing, 1999 .

RESTRICTION OF INFLUENZA EPIDEMICS IN SCHOOLS

E. Billing, 1922 .