Karpen G.H. and Spradling A.C. 1990
Karpen G.H. and Spradling A.C. 1990. Reduced DNA polytenization of a minichromosorne region undergoing position-effect variegation in Drosophila. Cell 63: 97-107.
Karpen G.H. and Spradling A.C. 1990. Reduced DNA polytenization of a minichromosorne region undergoing position-effect variegation in Drosophila. Cell 63: 97-107.
