The foundations of the unBla method are publicly available here:
Wolf, Patricia & Troxler, Peter
The Proof of the Pudding is in the Eatingâ€”But What was the Pudding in the First Place?
A Proven Un-Conferencing Approach in Search of Its Theoretical Foundations
Forum Qualitative Sozialforschung / Forum: Qualitative Social Research, 9(2)