diff --git a/app/assets/javascripts/publications/turn.min.js b/app/assets/javascripts/publications/turn.min.js
index 020832f..08962e5 100644
--- a/app/assets/javascripts/publications/turn.min.js
+++ b/app/assets/javascripts/publications/turn.min.js
@@ -1,68 +1,66 @@
-/* turn.js 4.1.0 | Copyright (c) 2012 Emmanuel Garcia | turnjs.com | turnjs.com/license.txt */
+/* turn.js 4.1.1 | Copyright (c) 2012 Emmanuel Garcia - 2019 Raffaele Morganti | turnjs.com | turnjs.com/license.txt */
 
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-this.data();if(void 0===a)return b.page;if(!b.disabled&&!b.destroying){a=parseInt(a,10);if(0<a&&a<=b.totalPages)return a!=b.page&&(!b.done||-1!=f.inArray(a,this.turn("view"))?g._fitPage.call(this,a):g._turnPage.call(this,a)),this;throw q("The page "+a+" does not exist");}},next:function(){return this.turn("page",Math.min(this.data().totalPages,g._view.call(this,this.data().page).pop()+1))},previous:function(){return this.turn("page",Math.max(1,g._view.call(this,this.data().page).shift()-1))},peel:function(a,
-b){var c=this.data(),d=this.turn("view"),b=void 0===b?!0:!0===b;!1===a?this.turn("stop",null,b):"single"==c.display?c.pages[c.page].flip("peel",a,b):(d="ltr"==c.direction?-1!=a.indexOf("l")?d[0]:d[1]:-1!=a.indexOf("l")?d[1]:d[0],c.pages[d]&&c.pages[d].flip("peel",a,b));return this},_addMotionPage:function(){var a=f(this).data().f.opts,b=a.turn;b.data();g._addMv.call(b,a.page)},_eventStart:function(a,b,c){var d=b.turn.data(),e=d.pageZoom[b.page];a.isDefaultPrevented()||(e&&e!=d.zoom&&(b.turn.trigger("zoomed",
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-b.page),g._updateShadow.call(a),a.turn("update")},_eventPressed:function(a){var a=f(a.target).data().f,b=a.opts.turn;b.data().mouseAction=!0;b.turn("update");return a.time=(new Date).getTime()},_eventReleased:function(a,b){var c;c=f(a.target);var d=c.data().f,e=d.opts.turn,h=e.data();c="single"==h.display?"br"==b.corner||"tr"==b.corner?b.x<c.width()/2:b.x>c.width()/2:0>b.x||b.x>c.width();if(200>(new Date).getTime()-d.time||c)a.preventDefault(),g._turnPage.call(e,d.opts.next);h.mouseAction=!1},_flip:function(a){a.stopPropagation();
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