The Convention may not mention refugees specifically, but the European Court of Human Rights has developed case law in areas such as non-return and amily reunification..
Level 3, one floor above the entrance level to the Law Bod has works on public international law. This collection is sub-divided into subject areas - the two most relevant are
Internat 570 Human rights
Internat 575 European Court of Human Rights: literature
Migration and the European Convention on Human Rights by 
Non-Refoulement under the European Convention on Human Rights and the un Convention Against Torture by