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Becker, P.; Seyfried, P.; Siegert, H. (1982). "The lattice parameter of highly pure silicon single crystals". Zeitschrift für Physik B. 48: 17. डीओआइ:10.1007/BF02026423. बिबकोड:1982ZPhyB..48...17B.
Salvador, James R.; Guo, Fu; Hogan, Tim; Kanatzidis, Mercouri G. (2003). "Zero thermal expansion in YbGaGe due to an electronic valence transition". Nature. 425 (6959): 702–5. PMID14562099. डीओआइ:10.1038/nature02011. बिबकोड:2003Natur.425..702S.
Salvador, James R.; Guo, Fu; Hogan, Tim; Kanatzidis, Mercouri G. (2003). "Zero thermal expansion in YbGaGe due to an electronic valence transition". Nature. 425 (6959): 702–5. PMID14562099. डीओआइ:10.1038/nature02011. बिबकोड:2003Natur.425..702S.