Search
Now showing items 1-4 of 4
Near-Ultraviolet Mutagenesis in Superoxide Dismutase-deficient Strains of Escherichia coli
(National Institute of Environmental Health Sciences, 1994)
We compared mutagenic spectra induced by polychromatic near-ultraviolet radiation (near-UV; 300-400 nm) with superoxide anion (O2-) -dependent mutagenesis using a set of Escherichia coli tester strains. Near-UV radiation ...
The Vowel Production in 'Bel Canto' Singing: A General Approach for Beginning Singers
(1991)
The purpose of writing this paper is to inform beginning singers of the importance of the basic concept of vowel formation and articulation in the production of good vocal tone. The lack of a thorough understanding of ...
Storytelling in Medieval Wales
(1992-10)
Very little is known of the storyteller and his functions in medieval Welsh society. Welsh sources imply that tales were recited in prose by professional storytellers--the cyfarwyddiaid (singular cyfarwydd). In medieval ...
Annotated bibliography 1986-1990
(1997-10)