New Catholic Encyclopedia: Jubilee Volume
Berard L. Marthaler & Richard E.mccarron & Gregory F. Lanave
The Population Bomb
Paul R. Ehrlich
Anaphora in Natural Language Understanding: A Survey
Graeme Hirst
A Communicative Grammar of English-Third Edition
Jan Svartvik & Geoffrey N. Leech
Generating Natural Language Under Pragmatic Constraints
Eduard H. Hovy & Yale Univ New Haven Ct Dept. Of Computer Science.
Life at the Cell and Below-Cell Level: The Hidden History of ...
Gilbert N. Ling