Kuhtz-Buschbeck, J. P.; Boczek-Funcke, A.; Illert, M.; Joehnk, K.; Stolze, H. Prehension movements and motor development in children. Experimental Brain Research. September 1999, 128 (1–2): 65–68. ISSN 0014-4819. PMID 10473741. doi:10.1007/s002210050818.
Kuhtz-Buschbeck, J. P.; Boczek-Funcke, A.; Illert, M.; Joehnk, K.; Stolze, H. Prehension movements and motor development in children. Experimental Brain Research. September 1999, 128 (1–2): 65–68. ISSN 0014-4819. PMID 10473741. doi:10.1007/s002210050818.
Kuhtz-Buschbeck, J. P.; Boczek-Funcke, A.; Illert, M.; Joehnk, K.; Stolze, H. Prehension movements and motor development in children. Experimental Brain Research. September 1999, 128 (1–2): 65–68. ISSN 0014-4819. PMID 10473741. doi:10.1007/s002210050818.