@misc{indiciae32008a209c81,
  title = {A Formal Semantics for the SRI Hierarchical Program Design Methodology},
  author = {Boyer, R. S. and Moore, J. S.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19840017250},
  note = {Source identifier: 19840017250}
}