Algorithms for Computer Algebra
Keith O. Geddes & Stephen R. Czapor & George Labahn
Reasoning and Thinking
K. I. Manktelow
Encyclopedia of Espionage, Intelligence, and Security: R-Z
K. Lee Lerner & Brenda Wilmoth Lerner
Rhythm Guitar Encyclopedia
Jody Fisher
Semantic Knowledge Representation for Information Retrieval
Winfried Gödert & Jessica Hubrich & Matthias Nagelschmidt
The World Almanac and Book of Facts 2022
Sarah Janssen
The World Almanac and Book of Facts (1)