@misc{indiciae6b48f6240735,
  title = {Die konstitution der zeolithe},
  author = {F. W. Clarke},
  year = {2004},
  doi = {10.1002/zaac.18940070140},
  url = {https://pubs.usgs.gov/publication/70208043},
  note = {Source identifier: 70208043}
}