@misc{indiciae7edbfcff8421, title = {A new device for collecting time-integrated water samples from springs and surface water bodies}, author = {S.V. Panno and I.G. Krapac and D.A. Keefer}, year = {1998}, doi = {10.2113/gseegeosci.iv.3.375}, url = {https://pubs.usgs.gov/publication/70020028}, note = {Source identifier: 70020028} }