Editing Bubble ring (section)

==Further references==
* Das, D. and Kumar, V. (2005) "Experimental investigation of the trajectory of compressible vortex rings", 11th AIAA/CEAS Aeroacoustics Conference, page 2953. {{doi|10.2514/6.2005-2953}}.
* Hameroff SR, Kaszniak AW and Scott A (1998) [https://books.google.com/books?id=dliyExsqYGwC&pg=PA558&dq=%22bubble+ring%22|%22bubble+rings%22&hl=en&ei=R835S7iKLtCXcb7o_eYL&sa=X&oi=book_result&ct=result&resnum=10&ved=0CFgQ6AEwCQ#v=onepage&q=%22bubble%20ring%22|%22bubble%20rings%22&f=false ''Toward a science of consciousness II: the second Tucson discussions and debates''] Page 558. MIT Press. {{ISBN|978-0-262-08262-4}}.
* {{cite journal | last1 = Lundgren | first1 = TS | last2 = Mansour | first2 = NN | year = 1991 | title = Vortex ring bubbles | journal = Journal of Fluid Mechanics | volume = 224 | pages = 177–196 | doi=10.1017/s0022112091001702|bibcode = 1991JFM...224..177L | s2cid = 120629247 | url = https://zenodo.org/record/1235805 }}
* {{cite journal | last1 = Marten | first1 = K | last2 = Shariff | first2 = K | last3 = Psarakos | first3 = S | last4 = White | first4 = DJ | year = 1996 | title = Ring bubbles of dolphins. A number of bottlenose dolphins in Hawaii can create shimmering, stable rings and helices of air as part of play | journal = Scientific American | volume = 275 | issue = 2| pages = 82–87 | doi = 10.1038/scientificamerican0896-82 | pmid = 8693325 | bibcode = 1996SciAm.275b..82M }}
* {{cite journal | last1 = McCowan | first1 = B | last2 = Marino | first2 = L | last3 = Vance | first3 = E | last4 = Walke | first4 = L | last5 = Reiss | first5 = D | year = 2000 | title = Bubble Ring Play of Bottlenose Dolphins (Tursiops truncatus): Implications for Cognition | url = http://faculty.vetmed.ucdavis.edu/faculty/bjmccowan/Pubs/McCowanetal.JCP.2000.pdf | journal = Journal of Comparative Psychology | volume = 114 | issue = 1 | pages = 98–106 | doi = 10.1037/0735-7036.114.1.98 | pmid = 10739315 | access-date = 2010-05-23 | archive-date = 2010-06-10 | url-status = dead | archive-url = https://web.archive.org/web/20100610140808/http://faculty.vetmed.ucdavis.edu/faculty/bjmccowan/Pubs/McCowanetal.JCP.2000.pdf }}