van Rens TJG (ed.): Electric and Electromagnetic Stimulation of Bone Growth. Reconstruction Surgery and Traumatology, volume 19; Karger, Basel; 70-86; ISBN 978-3-8055-3939-5
Nuccitelli R (ed.): Ionic Currents in Development. Progress in Clinical and Biological Research, volume 210; Alan R. Liss, Inc., New York; 285-293; ISBN 978-0-8451-5060-3