<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> Cyclostationary was established to support students and people for statistical theory and methodology of cyclo stationarity. it contains researchers and practitioners in academics. they provide study material including narratives, to explain the subject of Cyclostationary.https://cyclostationarity.com/