@article{PHSC_2004__8_1_39_0,
     author = {Bird, Alexander},
     title = {Kuhn on reference and essence},
     journal = {Philosophia Scientiae},
     pages = {39--71},
     publisher = {\'Editions Kim\'e},
     volume = {8},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://www.numdam.org/item/PHSC_2004__8_1_39_0/}
}