@misc{indiciae83c1e4696e2e, title = {The constraints of connecting children with nature--A research literature review}, author = {Phadrea D. Ponds and Rudy M. Schuster}, year = {2011}, doi = {10.3133/ofr20111139}, url = {https://pubs.usgs.gov/publication/ofr20111139}, note = {Source identifier: ofr20111139} }