Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Results for a) The SP model; b) The MR model; The inset in a), represents data for the first few R for systems with six designable sites.
