Assertion: lignin's effect | /r/CreatedBy | reduction
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Such effects often can be attributed to reduction in the short-range repulsive forces between the negatively charged surfaces, i.e. the double-layer forces (Lindström 1979, 1980; Hiemenz and Rajagopalan 1997; Norgren and Edlund 2001, 2003; Ohman et al.