Van der Ploeg, L. H., Valerio, D., De Lange, T., Bernards, A., Borst, P., & Grosveld, F. G. (1982). An analysis of cosmid clones of nuclear DNA from Trypanosoma brucei shows that the genes for variant surface glycoproteins are clustered in the genome. Nucleic Acids Res.

Van der Ploeg, L H., D. Valerio, T. De Lange, A. Bernards, P. Borst, and F G. Grosveld. "An Analysis of Cosmid Clones of Nuclear DNA From Trypanosoma Brucei Shows That the Genes for Variant Surface Glycoproteins Are Clustered in the Genome." Nucleic Acids Res 1982.

Van der Ploeg, L H., et al. "An Analysis of Cosmid Clones of Nuclear DNA From Trypanosoma Brucei Shows That the Genes for Variant Surface Glycoproteins Are Clustered in the Genome." Nucleic Acids Res 1982.