Citation Analysis Guide Put together by a team of librarians at U of M, this guide is designed for faculty who need information on how to use library resources for citation analysis. This includes information about impact factors, journal rankings, and how to find who has cited an article.
The Thomson/Reuters Impact Factor Eugene Garfield, the man who invented the impact factor, explains in detail.
A Principal Component Analysis of 39 Scientific Impact Measures. Bollen, et. al. focus on science fields but the study should be of general interest. They provide a principal component analysis of the rankings produced by 39 existing and proposed measures of scholarly impact that were calculated on the basis of both citation and usage log data.
"We have become whores to the impact factor" Peter Suber in Open Access News discussing Impact Factor manipulation.
This is a difficult task to do fairly. There are a number of tools which will help. It is important not to put too much weight on any one method.
Books that will help include:
Online resources include: