602,421 LAMBERT BO Repeated nucleotide sequences in polytene chromosomes. Molecular hybridization studies of RITA /ribonucleic acid/ and DNA / deoxyribonucleic acid/ in salivary glands of Chironomus tentans. Stockholm 1972 Civiltryck AB 8° s. 35 + wkl. s. nlb. 2. Akademisk avhandling.