Supporting presence in collaborative environments by haptic force feedback. - Eva-Lotta Sallnäs; Kirsten Rassmus-Gröhn; Calle Sjöström (ACM Trans. Comput. Hum. Interact., 2000)

Using haptics in computer interfaces for blind people. - Calle Sjöström (CHI Extended Abstracts, 2001)

Designing haptic computer interfaces for blind people. - Calle Sjöström (ISSPA, 2001)

Non-Visual Haptic Interaction Design - Guidelines and Applications. - Calle Sjöström (2002)