DP - MPI Library TY - JOUR T1 - In Science Fields UR - https://www.jstor.org/stable/3925913 UR - http://dx.doi.org/10.2307/3925913 T2 - Science newsletter : the weekly summary of current science SP - Vol. 55, No. 15 (1949), p. 232-233 CY - Washington PY - 1949 N1 - Copyright: Copyright 1949 Science Service, Inc. ER -