The Brazilian Society of Chemical Engineering publishes this quarterly journal on research and development in areas related to chemical engineering. The format and organization of the papers is quite good, clearly showing the equations and figures that accompany the text. All of the articles are in English, and the online version of the journal is free. Nine years of back issues can be found in...

Chemical Engineering Progress (CEP) is a journal of the American Institute of Chemical Engineers. A special promotion is underway, as of November 8, 2002, that allows free registration and access to the online version of the magazine, including over a year of back issues. The promotion will continue "for a limited time;" unfortunately, no clarification is given. Several departments keep readers up...