HŮLKOVÁ, Irena. What hides behind the use of connective adjuncts in academic texts: cohesion, coherence, or pragmatics? In
Complexity and Coherence: Approaches to Linguistic Research and Language Teaching. 1. vyd. Göttingen: Cuvillier Verlag, 2007, s. 147-160. ISBN 978-3-86727-215-5.