External Links
Capture external links in <ext-link>
elements.
Each
<ext-link>
must contain a @ ext-link-type
attribute. The suggested values imlcude:- uri
In addition each <ext-link>
must also contain a
@xlink:href
attribute which contains the resource being linked.
Example
<ext-link ext-link-type="uri" xlink:href="http://mc04.manuscriptcentral.com/nano-iop">online submission form</ext-link>