Adds two refs and sorted them

thesis/references.bib

@@ -1,11 +1,3 @@
-@book{felix,
-	title={Rational homotopy theory},
-	author={F{\'e}lix, Yves and Halperin, Steve and Thomas, Jean-Claude},
-	volume={205},
-	year={2001},
-	publisher={Springer}
-}
-
 @book{bous,
 	title={On PL de Rham theory and rational homotopy type},
 	author={Bousfield, Aldridge Knight and Gugenheim, Victor KAM},
@@ -14,14 +6,20 @@
 	publisher={American Mathematical Soc.}
 }
 
-@article{hess,
-	title={Rational homotopy theory: a brief introduction},
-	author={Hess, Kathryn and others},
-	journal={Contemporary Mathematics},
-	volume={436},
-	pages={175},
-	year={2007},
-	publisher={Providence, RI; American Mathematical Society; 1999}
+@article{dwyer,
+	title={Homotopy theories and model categories},
+	author={Dwyer, William G and Spalinski, Jan},
+	journal={Handbook of algebraic topology},
+	volume={73126},
+	year={1995}
+}
+
+@book{felix,
+	title={Rational homotopy theory},
+	author={F{\'e}lix, Yves and Halperin, Steve and Thomas, Jean-Claude},
+	volume={205},
+	year={2001},
+	publisher={Springer}
 }
 
 @article{goerss,
@@ -37,3 +35,21 @@
 	year={2013},
 	publisher={Birkh{\"a}user}
 }
+
+@article{hess,
+	title={Rational homotopy theory: a brief introduction},
+	author={Hess, Kathryn and others},
+	journal={Contemporary Mathematics},
+	volume={436},
+	pages={175},
+	year={2007},
+	publisher={Providence, RI; American Mathematical Society; 1999}
+}
+
+@book{loday,
+	title={Algebraic operads},
+	author={Loday, Jean-Louis and Vallette, Bruno},
+	volume={346},
+	year={2012},
+	publisher={Springer}
+}