@misc{indiciaeca75f046ab7a,
  title = {The concrete engineer's handbook; a convenient reference book for all persons interested in cement, plain and reinforced concerte, building construction, architecture, concrete blocks, mill building, office building, fireproof houses, etc — Illustration, Page 349},
  year = {1912},
  url = {https://www.biodiversitylibrary.org/page/17475731},
  note = {Source identifier: page-17475731}
}