na INLIS000000000007978 Ind 0010-1118007978 Ultraviolet inactivation and excision - repair in bacillus subtilis BRON, Sierd Sierd Bron Groningen Universiteit te Groningen 1972 29 p.: ill.; 23 cm. 29 p.: ill.; 23 cm. 576.34BROu Thesis (Dr.)- Universietit te Groningen, 1972.-- Bibl.: p. 26-29 576.34 BACILLUS SUBTILIS ULTRAVIOLETS 15/74-mfn9757