Koltunow, Anna Maria Grazyna2006-12-282006-12-2819861986http://hdl.handle.net/2440/21263Includes bibliography142 leaves, [21] leaves of plates : ill. (1 col.) ; 30 cm.312937 bytesapplication/pdfen574.87328 19Keratin Genetic aspects.An investigation of feather keratin gene expression / by Anna Maria Grazyna KoltunovThesis