Well-Being in Contemporary SocietyJohnny H. Søraker, Jan-Willem Van der Rijt, Jelle de Boer, Pak-Hang Wong, Philip Brey · First published 2014Open the Tome
Wholistic health careJan H. Boer, Dennis Ityavyar, Christian Health Association of Nigeria, Wholistic Health Care Project · First published 1994Open the Tome
Chemische bindung als elektrostatische erscheinungA. E. van Arkel, Wilhelm Klemm, J. H. de (Jan Hendrik) Boer, Li Klemm · First published 1931Open the Tome
