Mobile dispersed genetic elements and other middle repetitive DNA sequences in the genomes of Drosophila and mouse: transcription and biological significance - Georgiev, G P; Ilyin, Y V; Chmeliauskaite, V G; Ryskov, A P; Kramerov, D A; Skryabin, K G; Krayev, A S; Lukanidin, E M; Grigoryan, M S (Cold Spring Harbor Symposia on Quantitative Biology, 1981)