@misc{indiciae3607cf953e56, title = {Ground water whirls.}, author = {Kick Hemker and Elmer van den Berg and Mark Bakker}, doi = {10.1111/j.1745-6584.2004.tb02670.x}, url = {https://pubmed.ncbi.nlm.nih.gov/15035587/}, note = {Source identifier: 15035587} }