DP - MPI Library TY - JOUR T1 - In Science Fields UR - https://www.jstor.org/stable/3917424 UR - http://dx.doi.org/10.2307/3917424 T2 - Science newsletter : the weekly summary of current science SP - Vol. 39, No. 5 (1941), p. 72-73 CY - Washington PY - 1941 N1 - Copyright: Copyright 1941 Science Service, Inc. ER -