TY  - JA
AU  - Ward,S.A.
AU  - Mantel,W.P.
AU  - Rabbinge,R.
TI  - The use of incidence counts for estimation of aphid populations, 2:  Confidence intervals from fixed sample sizes
U1  - 85-067985 
PY  - 1985///
KW  - Injurious insects
KW  - Pests of plants
N1  - 7 refs.; Summary (En, Nl)
T2  - Netherlands Journal of Plant Pathology
ER  -