541,755 KISLIUK ROY L. /red./ Chemistry and biology of pterdines : Proceedings of the Sixth International Symposium on the [...] La J.olla, California, September 25-28, 1978 /ed. Roy L. Kisliuk and Gene M. Brown. — New York /etc./ : Elsevier North—Holland, 1979. - XXII, 713 s. : wykr. ; 24 cm ÎDevelopments in Biochemistry ; vol. A ISSN 0165-1714 ISBN 0444-00305-3