title: Alternatives to YACs.
authors.affiliation: E.I. du Pont de Nemours & Co., Inc., Wilmington, DE 19880-0328.
authors.forename: N L
authors.initials: NL
authors.lastname: Sternberg
mesh_terms: D015825:Chromosomes, Fungal; D003001:Cloning, Molecular; D003090:Coliphages / Q000235:genetics*; D003360:Cosmids; D015723:Gene Library; D006801:Humans; D008970:Molecular Weight; D014170:Transformation, Genetic