Adding two references about CFT data calculation

docs/src/assets/tnrkit.bib

@@ -246,4 +246,29 @@ @article{Yu_2014
   author    = {Yu, J. F. and Xie, Z. Y. and Meurice, Y. and Liu, Yuzhi and Denbleyker, A. and Zou, Haiyuan and Qin, M. P. and Chen, J. and Xiang, T.},
   year      = {2014},
   month     = {jan}
-}
+}
+
+@phdthesis{Bao2019LoopTNR,
+  author       = {Chenfeng Bao},
+  title        = {Loop Optimization of Tensor Network Renormalization: Algorithms and Applications},
+  school       = {University of Waterloo},
+  year         = {2019},
+  month        = {May},
+  type         = {PhD thesis},
+  advisor      = {Neil Turok},
+  url          = {http://hdl.handle.net/10012/14674}
+}
+
+@article{Hauru_2016,
+   title      ={Topological conformal defects with tensor networks},
+   volume     ={94},
+   ISSN       ={2469-9969},
+   url        ={http://dx.doi.org/10.1103/PhysRevB.94.115125},
+   DOI        ={10.1103/physrevb.94.115125},
+   number     ={11},
+   journal    ={Physical Review B},
+   publisher  ={American Physical Society (APS)},
+   author     ={Hauru, Markus and Evenbly, Glen and Ho, Wen Wei and Gaiotto, Davide and Vidal, Guifre},
+   year       ={2016},
+   month      =sep
+}