1. Thoma F: Nucleosome positioning. Biochem Biophys Acta 1130: 1?19, 1992
2. Felsenfeld G: Chromatin as an essential part of the transcriptional mechanism. Nature 355: 219?224, 1992
3. Brandt WF, Strickland WN, Strickland M, Carlisle L, Woods O, von Holt C: A histone programme during the life cycle of the sea urchin. Eur J Biochem 94: 1?10, 1979
4. Tsanev R: Role of histones in cell differentiation. In: CM Kolodny (ed.) Eukariotic Gene Regulation, Vol II. CRC Press, Boca Raton, Florida, 58, 1980
5. Imschenetzky M, Puchi M, Oyarce AM, Massone R, Inostroza D: A comparative study of the histones isolated from sperm of the sea urchinTetrapygus niger. Comp Biochem Physiol 78B: 393?399, 1984