https://core.ac.uk/download/pdf/36679914.pdf (https://core.ac.uk/download/pdf/36679914.pdf) copyright by Bennett G. Braun. M.D. March, 1988 in Dissociation 1:1 (prior name of the Journal of Trauma and Dissociation) BASK is an acronym which stands for Behavior, Affect, Sensation and Knowledge.
Consists of 20 pages, 13 pages of illustrations of the model and various concepts.
The University of Oregon's Dissociation Journal Library at Scholar's Bank. https://scholarsbank.uoregon.edu/xmlui/handle/1794/1129 (https://scholarsbank.uoregon.edu/xmlui/handle/1794/1129) 39 journals posted from 1988 to 1997 with 10-14 articles within each one.