Sijher, Jarnail Singh.2009-03-232009-03-2319791979Source: Masters Abstracts International, Volume: 40-07, page: .http://hdl.handle.net/10393/8091http://dx.doi.org/10.20381/ruor-15647Biology, General.Changes in envelope composition and properties of E. coli B/r mediated by N plasmids.Thesis