The shape memory effect and superelasticity in nickel-titanium single crystals aged under applied stress Yu.I. Chumlyakov, E.Yu. Panchenko, I.V. Kireeva, D.A. Shaporov, V.B. Aksenov, H. Sehitoglu, I. Karaman, K. Gall and H. Maier J. Phys. IV France, 112 (2003) 799-802 DOI: 10.1051/jp4:20031002