[
  {
    "title": "pgt: Data Envelopment Analysis for Pollution-Generating Technologies",
    "author": [
      {
        "given": "Erik",
        "family": "Enstad",
        "role": {},
        "email": {},
        "comment": {}
      }
    ],
    "year": "2026",
    "note": "R package version 0.7.1",
    "url": "https://github.com/iik1/pgt"
  }
]