@inproceedings{HoellerBAAAI2021,
   title     = {Landmark Generation in HTN Planning},
   author    = {H\"{o}ller, Daniel and Bercher, Pascal},
   year      = {2021},
   booktitle = {Proceedings of the 35th AAAI Conference on Artificial Intelligence (AAAI)},
   publisher = {AAAI Press}
}