Hardekopf, Jarmie, Ohlsen, Poore, Haglund, Brown, Schmelzbach, Anderson, Stupin, Lovoi, 1977. /sup 4/He(t,t)/sup 4/He elastic scattering: analyzing powers and differential cross sections. [7 to 14 MeV]. Office of Scientific and Technical Information  (OSTI).. https://doi.org/10.2172/7316572