@misc{indiciae3fb18beef4b4,
  title = {Photosynthetic and growth response of sugar maple ( Acer saccharum Marsh.) mature trees and seedlings to calcium, magnesium, and nitrogen additions in the Catskill Mountains, NY, USA},
  author = {Bahram Momen and Shawna J Behling and Gregory B. Lawrence and Joseph H Sullivan},
  year = {2015},
  doi = {10.1371/journal.pone.0136148},
  url = {https://pubs.usgs.gov/publication/70159385},
  note = {Source identifier: 70159385}
}