DP - MPI Library TY - JOUR T1 - In Science Fields UR - https://www.jstor.org/stable/3936391 UR - http://dx.doi.org/10.2307/3936391 T2 - Science newsletter : the weekly summary of current science SP - Vol. 69, No. 16 (1956), p. 248-249 CY - Washington PY - 1956 N1 - Copyright: Copyright 1956 Science Service, Inc. ER -