Abstrac, The university of exeter participated in the CLEF 2001 bilingual task. The man objectives of our expereiments were to compare retrieval performance for different topic language with similar easily available machine translation resources and to explore the application of new pseudo relevance feedback techniques recently develop at exeter to Cross-Language Informatin Retrieval (CLIR). This paper also the combination of results from alternative machine translation outputs. specifically we look at the use of data fusion of the autput form individual retrieval runs and combinations of alternative topic translation