DP - MPI Library TY - JOUR AU - Harvey, M. AU - Davidson, J. P. T1 - Nuclear Physics UR - https://www.jstor.org/stable/1727274 T2 - Science SP - Vol. 166, No. 3911 (1969), p. 1391 PY - 1969 N1 - Copyright: Copyright 1969 American Association for the Advancement of Science ER -