@article{721f25eaad064549907996abd7709b28,
title = "Retrospective estimation of the date of infection with beet yellowing viruses in sugar-beet under field conditions",
keywords = "beet mild yellowing virus, beet yellows virus, closterovirus, leaf appearance, leaf arrangement, luteovirus, phloem translocation, phyllotaxis, symptom development, systemic virus transport, temperature sum",
author = "{van der Werf}, W. and F. Bonnier and D. Peters",
year = "1989",
doi = "10.1007/bf01976620",
language = "English",
volume = "95",
pages = "327--341",
journal = "Netherlands Journal of Plant Pathology",
issn = "0028-2944",
publisher = "Kluwer Academic Publishers",
}