DP - MPI Library TY - JOUR T1 - Simple Solar Engine UR - https://www.jstor.org/stable/3936166 UR - http://dx.doi.org/10.2307/3936166 T2 - Science newsletter : the weekly summary of current science SP - Vol. 68, No. 21 (1955), p. 325 CY - Washington PY - 1955 N1 - Copyright: Copyright 1955 Science Service, Inc. ER -