Change control into a computation form.

thesis.bib

@@ -2232,4 +2232,17 @@
   number    = {4},
   pages     = {395--410},
   year      = {2001}
+}
+
+# Typed multi prompts
+@article{DybvigJS07,
+  author    = {R. Kent Dybvig and
+               Simon L. Peyton Jones and
+               Amr Sabry},
+  title     = {A monadic framework for delimited continuations},
+  journal   = {J. Funct. Program.},
+  volume    = {17},
+  number    = {6},
+  pages     = {687--730},
+  year      = {2007}
 }