Goicoechea JM2017Chapter ISSN:0081-5993Book Title:CLUSTERS - CONTEMPORARY INSIGHT IN STRUCTURE AND BONDINGVolume:174, pp.63 - 97No abstract availableKeywords:Clusters , Pnictogens , Polyanions , Tetrels , Triels , Zintl ions DOI10.1007/430_2015_5003