@article{BercherAIM21,
   title = {Report on the First and Second Workshops on Hierarchical Planning Held at the International Conference on Automated Planning and Scheduling},
   author = {Pascal Bercher and Daniel H{\"{o}}ller and Gregor Behnke and Susanne Biundo and Vikas Shivashankar and Ron Alford},
   journal = {{AI} Magazine},
   volume = {42},
   pages = {83--85},
   year = {2021}
}