Johnson, W. Plane-strain slip-line fields theory and bibliography R. Sowerby, J.B. Haddow - London Edward Arnold publ. ltd. c1970 - x, 176p.: fig., plates ; 24 x 15cm Appendices and indezes at the end ISBN: 0713132213 LCCN: 941 Subjects--Uniform Titles: Déformations (Mécanique) Subjects--Topical Terms: Metalwork Dewey Class. No.: 620.16/J71p