1. Appels, R., and W.J. Peacock. 1978. The arrangement and evolution of highly repeated (satellite) DNA sequences with special reference to Drosophila. Int. Rev. Cytology Suppl. 8: 69–126.
2. Appels, R., C. Driscoll, and W.J. Peacock. 1978. Hetero- chromatin and highly repeated DNA sequences in rye (Secale cereale). Chromosoma 70: 67–89.
3. Appels, R., W.L. Gerlach, E.S. Dennis, H. Swift, and W.J. Peacock. 1980. Molecular and chromosomal organization of DNA sequences coding for the ribosomal RNAs in cereals. Chromosoma 78: 293–311.
4. Appels, R., E.S. Dennis, D.R. Smyth, and W.J. Peacock. 1981. Two repeated DNA sequences from the heterochromatin regions of rye (Secale cereale) chromosomes. Chromosoma 84: 265–277.
5. Appels, R. 1982) The molecular cytology of wheat-rye hybrids. Int. Rev. Cytology (in press).