DP - MPI Library TY - JOUR T1 - In Science Fields UR - https://www.jstor.org/stable/3922628 UR - http://dx.doi.org/10.2307/3922628 T2 - Science newsletter : the weekly summary of current science SP - Vol. 49, No. 4 (1946), p. 56-57 CY - Washington PY - 1946 N1 - Copyright: Copyright 1945 Science Service, Inc. ER -