How to determine MOI of bacteriophage - (Jan/18/2013 )

Dear all,
I do research about isolation and characterization of bacteriophage infectiong Klebsiella pneumoniae from waste water
and i need to know protocol to do lab for MOI of bacteriophage

Please advise. I have no experience with kind of work.
Your advise and comments will be highly valued

here

http://www.virology.ws/2011/01/13/multiplicity-of-infection/
This might help.
But indeed, you could simply google it, its something that is often used.