3 <isis post=",">700ab</isis>
7 <isis f="700" sf="ab"/>
8 <isis f="701" sf="ab"/>
9 <isis f="701" sf="cd"/>
12 <!-- not used and defined for now!
14 <author> <isis f="700" sf="a"/><isis f="700" sf="b"/> <post>, </post></author>
15 <author> <isis f="701" sf="a"/><isis f="701" sf="b"/> <post>, </post></author>
16 <author> <isis f="701" sf="c"/><isis f="701" sf="d"/> <post>, </post></author>