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4. Bredon, G.: Sheaf Theory. McGraw-Hill, New York (1967)
5. Bucher-Karlsson, M.: Simplicial volume of locally symmetric spaces covered by $$\text{ SL }(3,\mathbb{R})/\text{ SO }(3)$$ SL ( 3 , R ) / SO ( 3 ) . Geom. Dedicata 125(1), 203–224 (2007)