@misc{Wuebben2026-cy-mirror-pairs,
  author = {Bernd Johannes Wuebben},
  title = {{Doubly isolated Batyrev mirror pairs and non-smoothable Calabi–Yau threefolds}},
  year = {2026},
  url = {https://bwuebben.github.io/papers/cy-mirror-pairs/},
  note = {Preprint}
}