Details
THE ETA-PION MASS-SPECTRUM FROM THRESHOLD TO 1200 MEV/C-SQUARE IN THE REACTION NEGATIVE PION-PROTON ---> (NEGATIVE PION,ETA-MESON,PROTON).
WITHERELL, MICHAEL STEWART.
The University of Wisconsin - Madison ProQuest Dissertations & Theses, 1973. 7409028.