Warnich, L., Dietzsch, E., Herbert, J., Brusnický, J., Du Plessis, L., & Retief, A. (1990). An anonymous DNA probe E20 [D4S143] on chromosome 4 detects a TaqI polymorphism. Nucleic Acids Res.

Warnich, L., E. Dietzsch, J.S Herbert, J. Brusnický, L. Du Plessis, und A.E Retief. "An Anonymous DNA Probe E20 [D4S143] On Chromosome 4 Detects a TaqI Polymorphism." Nucleic Acids Res 1990.

Warnich, L., et al. "An Anonymous DNA Probe E20 [D4S143] On Chromosome 4 Detects a TaqI Polymorphism." Nucleic Acids Res 1990.