Kräusslich, H. G., Fäcke, M., Heuser, A. M., Konvalinka, J., Zentgraf, H. The Spacer Peptide between Human Immunodeficiency Virus Capsid and Nucleocapsid Proteins Is Essential for Ordered Assembly and Viral Infectivity. Journal of Virology. 1995, 69(6), 3407-3419. ISSN 0022-538X. E-ISSN 1098-5514.