Research on dutch elm disease in Europe
D.A. Burdekin 
Research on dutch elm disease in Europe - London Her Majestys Stationery Office 1983 - 113p
ENGLISH
0-11-710153-2
634.963 / BUR
                        Research on dutch elm disease in Europe - London Her Majestys Stationery Office 1983 - 113p
ENGLISH
0-11-710153-2
634.963 / BUR

