@misc{indiciae2408be2c1e17,
  title = {An Integrated Planning Representation Using Macros, Abstractions, and Cases},
  author = {Baltes, Jacky and MacDonald, Bruce},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19960047148},
  note = {Source identifier: 19960047148}
}