RECENT RESULTS IN CANCER RESEARCH; 84 542,692 MODIFIED Modified nucleosides and cancer / ed. by Gisela Nass. - Berlin ; Heidelberg ; New York : Springer Verl., 1983. -XII, 432, [2] s. : il., wykr. ; 25 cm (Recent Results in Cancer Research ; 84) ISBN 3-540-12024-6 (Berlin) ISBN 0-387-12024-6 (New York)