Biological separations in iodinated density-gradient media: colloquium on use of iodinated density-gradient media for biological serapations (Book) - London Information Retrieval 1976 - 205p. 22cm. ISBN: 0904147029 Subjects--Topical Terms: Iodine compounds--Congresses Nucleic acids--Congresses Universal Decimal Class. No.: 543.9:543.871.2 BIO / 2981