@misc{indiciaed3e7dad5fe4b,
  title = {A study of suitability of Dacca clays for light-weight aggregate production in East Pakistan},
  author = {M. A. Maroof Khan and Norbert A. Parker},
  year = {1968},
  doi = {10.3133/ofr68176},
  url = {https://pubs.usgs.gov/publication/ofr68176},
  note = {Source identifier: ofr68176}
}