oleh SpringerLink (Online service) , Ring, Irene. , Kranz, Andreas. , Jepsen, Niels. , Rauschmayer, Felix. , Henle, Klaus.

oleh Paloniemi, Riikka , Apostolopoulou, Evangelia , Primmer, Eeva , Grodzinska-Jurcak, Malgorzata , Henle, Klaus , Ring, Irene , Kettunen, Marianne , Tzanopoulos, Joseph , Potts, Simon , van den Hove, Sybille , Marty, Pascal , McConville, Andrew , Simila, Jukka

oleh Haila, Yrjö , Henle, Klaus , Apostolopoulou, Evangelia , Cent, Joanna , Framstad, Erik , Goerg, Christoph , Jax, Kurt , Klenke, Reinhard , Magnuson, William , Matsinos, Yiannis , Mueller, Birgit , Paloniemi, Riikka , Pantis, John , Rauschmayer, Felix , Ring, Irene , Settele, Josef , Simila, Jukka , Touloumis, Konstantinos , Tzanopoulos, Joseph , Pe'er, Guy