Grolig, Lorenz Max Planck Research Group Reading Education and Development (REaD), Max Planck Institute for Human Development, Max Planck Society;
http://dx.doi.org/10.17169/refubium-27532 (Any fulltext)
Grolig, L. (2019). Shared storybook reading and the development of oral language skills. PhD Thesis, Freie Universität Berlin. doi:10.17169/refubium-27532.