+ notes = "c_i c_s pair configuration, theoretical results",
+}
+
+@Article{song90_2,
+ title = "Bistable interstitial-carbon--substitutional-carbon
+ pair in silicon",
+ author = "L. W. Song and X. D. Zhan and B. W. Benson and G. D.
+ Watkins",
+ journal = "Phys. Rev. B",
+ volume = "42",
+ number = "9",
+ pages = "5765--5783",
+ numpages = "18",
+ year = "1990",
+ month = sep,
+ doi = "10.1103/PhysRevB.42.5765",
+ publisher = "American Physical Society",
+ notes = "c_i c_s pair configuration, experimental results",
+}
+
+@Article{liu02,
+ author = "Chun-Li Liu and Wolfgang Windl and Len Borucki and
+ Shifeng Lu and Xiang-Yang Liu",
+ collaboration = "",
+ title = "Ab initio modeling and experimental study of {C}--{B}
+ interactions in Si",
+ publisher = "AIP",
+ year = "2002",
+ journal = "Applied Physics Letters",
+ volume = "80",
+ number = "1",
+ pages = "52--54",
+ keywords = "silicon; boron; carbon; elemental semiconductors;
+ impurity-defect interactions; ab initio calculations;
+ secondary ion mass spectra; diffusion; interstitials",
+ URL = "http://link.aip.org/link/?APL/80/52/1",
+ doi = "10.1063/1.1430505",
+ notes = "c-c 100 split, lower as a and b states of capaz",