Institution: | Genetics Laboratory, Dept of Biochemistry. South Parks Road, Oxford OX I 3QU, U. K.;Laboratoire de Genetique des Ribosomes. Univ. Paris-Sud, Orsay, France;Depts of Molecular and Plant Biology, Sciences II. Univ. of Geneva. 30 Quai Ernest Ansermet. CH-1211 Geneva 4, Switzerland. |