Missing npm package

 npm install angulartics-scroll

npm ERR! 404 Registry returned 404 for GET on https://registry.npmjs.org/angulartics-scroll
npm ERR! 404
npm ERR! 404 'angulartics-scroll' is not in the npm registry.
npm ERR! 404 You should bug the author to publish it (or use the name yourself!)
npm ERR! 404
npm ERR! 404 Note that you can also install from a
npm ERR! 404 tarball, folder, http url, or git url.
