Change-Id: Ieb6a362a26a7e65199f68f5cd32d9b6b0e5d0fbf
Add OsmoMSC and OsmoHLR to bibliography (even though the OsmoHLR manual does not yet exist, a reference to it has been added in OsmoMSC's manual). Change-Id: I9ecff2837fbf5fdc19675a726f6d70c21eb178ee