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Subclassification references

• Pacchiarotti, Sara and Chousou-Polydouri, Natalia and Bostoen, Koen 2019
• Bostoen, Koen and de Schryver, Gilles-Maurice 2018
• Bostoen, Koen and de Schryver, Gilles-Maurice 2018

Comments on subclassification

Bastin, Yvonne and Coupez, A. and Mann, Michael 1999: 200 Gilles-Maurice de Schryver and Rebecca Grollemund and Simon Branford and Koen Bostoen 2015: 138-145