double Subscript to a Base Element?

Hi MathML Community

I want to write an equation/expression using MathML where a base element has 
two subscripts as shown in the attached file. Is it possible?

Regards.

Muhammad Aslam

_________________________________________________________________
The new MSN 8: advanced junk mail protection and 2 months FREE* 
http://join.msn.com/?page=features/junkmail