indiscernable
1981 / Distinguishability in the teaching of statistical mechanics / W. Gough ; J. P. G. Richards / European Journal of Physics 2 (1981) p. 82 [doi]
2009 / A note on the prehistory of indistinguishable particles / Daniela Monaldi / Studies in History and Philosophy of Science Part B 40 (2009) p. 383 [doi]
2015 / The ambiguity of “distinguishability” in statistical mechanics / Robert H. Swendsen / American Journal of Physics 83 (2015) p. 545 [doi]