Chemical Complexity in Extragalactic Nuclei: ARP 220, NGC 253 and NGC 4945 surveys with the APEX telescopeM.A. Requena-Torres, R. Güsten, J. Martín-Pintado, S. Martín, R. Aladro, A. Weiss, S. Heyminck and B. KleinEAS Publications Series, 52 (2011) 299-300DOI: https://doi.org/10.1051/eas/1152056