1. The contribution of postgraduate thesis research to the published literature of human geography in the United Kingdom;Hay;Social Science Information Studies,1981
2. Is the impact factor a meaningful index for the ranking of scientific research journals?;Taylor;Canadian Field Naturalist,1981
3. The impact of geographical journals: A look at ISI data;Whitehand;Area,1984
4. The half life of an E and P;Wrigley;Environment and Planning,1983