charmonium
1977 / Psionic Matter / W. Chinowsky / Annual Review of Nuclear and Particle Science 27 (1977) p. 393 [doi]
1977 / [Nobel Lecture] From the psi to charm: The experiments of 1975 and 1976 / Burton Richter / Reviews of Modern Physics 49 (1977) p. 251 [doi]
1977 / [Nobel Lecture] The discovery of the J particle: A personal recollection / Samuel C. C. Ting / Reviews of Modern Physics 49 (1977) p. 235 [doi]