Ron, E Z Magnesium ion dependence of free and polysomal ribosomes from Escherichia coli. [electronic resource] - Journal of molecular biology Aug 1968 - 83-9 p. digital Publication Type: Journal Article ISSN: 0022-2836 Standard No.: 10.1016/0022-2836(68)90221-0 doi Subjects--Topical Terms: Bacteriological TechniquesCarbon IsotopesEscherichia coliMagnesiumPuromycin--pharmacologyRNA, Messenger--analysisRNA, Transfer--analysisRibonucleasesRibosomes--analysis