TY  - BOOK
TI  -  Exotic aphid pests of conifers : : a crisis in African forestry, Ke nya Forestry Research Institute Muguga, Kenya 3-6 June, 1991
PY  - 1991///
CY  -  Rome : 
PB  -  Food and Agriculture Organization, 
KW  -  Conofers
KW  -  Diseases and pests
N1  -  Includes bibliographical references
ER  -