Aqvist Lennart New approach to the logical theory of interrogatives analysisi and formalization - Tubingen TBL Verlag Guter Narr 1975 - ix,184p. cm. - Tubinger beitrage zur linguistik ed by Guter Narr; 65 . Standard No.: 10,269 Source: Textual Subjects--Topical Terms: LOGIC Dewey Class. No.: R1, L52