TY - BOOK AU - Hetényi,M TI - Beams on elastic foundation: theory with applications in the fields of civil and mechanical engineery, AV - QA935 .H34 PY - 1946/// CY - Ann Arbor, London PB - The University of Michigan Press, G. Cumberlege, Oxford university press KW - VIGAS KW - ELASTICIDAD ER -