@misc{indiciae03a2dd908199,
  title = {Analysis of short-term variations in beach morphology ( and concurrent dynamic processes ) for summer and winter periods, 1971-72, Plum Island, Massachusetts — Illustration, Page 39},
  year = {1977},
  url = {https://www.biodiversitylibrary.org/page/32746940},
  note = {Source identifier: page-32746940}
}