-http://en.wikipedia.org/wiki/Pulsar
-http://en.wikipedia.org/wiki/PSR_B1919%2B21
-http://en.wikipedia.org/wiki/Unknown_Pleasures
-http://en.wikipedia.org/wiki/Peter_Saville_%28graphic_designer%29
-http://en.wikipedia.org/wiki/Joy_Division
+https://en.wikipedia.org/wiki/Pulsar
+https://en.wikipedia.org/wiki/PSR_B1919%2B21
+https://en.wikipedia.org/wiki/Unknown_Pleasures
+https://en.wikipedia.org/wiki/Peter_Saville_%28graphic_designer%29
+https://en.wikipedia.org/wiki/Joy_Division