Conceptual Physical Science (4th Edition)

Conceptual Structures: Knowledge Representations as Interlingua: 4th by Eklund

Representations of Commonsense Knowledge by Ernest Davis

Aircraft Design - A Conceptual Approach / Daniel P. raymer (4th Edition)

Conceptual Structures: Fulfilling Peirce's Dream: Fifth International Confer...

Conceptual Structures: Knowledge Representations as Interlingua: 4th Internation

Interlingua - Clave al linguas occidental, Like New Used, Free shipping in th...

Knowledge and the State of Nature: An Essay in Conceptual... - Craig, Edward