TY - JOUR A1 - Hermanussen, Michael A1 - Greil, Holle A1 - Blaha, Pawel A1 - Vignerova, Jana T1 - The impact of the social group on growth Y1 - 2001 SN - 3-89873-228-2 ER - TY - JOUR A1 - Stahn, Jochen A1 - Pietsch, Ullrich A1 - Blaha, Pawel A1 - Schwarz, K. H. T1 - Electric field induced charge-density variations in covalently bonded compounds Y1 - 2001 ER -