func (api *API) PublicationLocator(href string) *PublicationLocator {
	return &PublicationLocator{Href(href), api}
}
func (api *API) PublicationLocator(href string) *PublicationLocator {
	return &PublicationLocator{Href(href), api}
}
// PublicationLocator builds a locator from the given href.