@article{article, title = {Isolation and purification of vector borne plant viruses}, author = {Brakke, M.K.}, year = {1969}, journal = {MARAMOROSCH, KARL (EDITED BY) VIRUSES, VECTORS, AND VEGETATION XII +}, number = {EDITED BY}, pages = {NEW YORK, N Y , U S A 527-555}, howpublished = "\url{https://eurekamag.com/research/026/864/026864706.php}" }