@misc{indiciae86fc51ebd3ea, title = {A loop-structure in the serological classification system of tymoviruses.}, author = {R Koenig}, year = {1976}, doi = {10.1016/0042-6822(76)90305-6}, url = {https://pubmed.ncbi.nlm.nih.gov/936477/}, note = {Source identifier: 936477} }