Du, Yong, Zhou, Ronghui, Ferrer, Maria-Jose, Chen, Minda, Graham, John, Malphurs, Bill, Labbe, Greg, Huang, Wenyu, and Bowers, Clifford R. An inexpensive apparatus for up to 97% continuous-flow parahydrogen enrichment using liquid helium. Retrieved from https://par.nsf.gov/biblio/10291110. Journal of Magnetic Resonance 321.C Web. doi:10.1016/j.jmr.2020.106869.

Du, Yong, Zhou, Ronghui, Ferrer, Maria-Jose, Chen, Minda, Graham, John, Malphurs, Bill, Labbe, Greg, Huang, Wenyu, & Bowers, Clifford R. An inexpensive apparatus for up to 97% continuous-flow parahydrogen enrichment using liquid helium. Journal of Magnetic Resonance, 321 (C). Retrieved from https://par.nsf.gov/biblio/10291110. https://doi.org/10.1016/j.jmr.2020.106869

Du, Yong, Zhou, Ronghui, Ferrer, Maria-Jose, Chen, Minda, Graham, John, Malphurs, Bill, Labbe, Greg, Huang, Wenyu, and Bowers, Clifford R. "An inexpensive apparatus for up to 97% continuous-flow parahydrogen enrichment using liquid helium". Journal of Magnetic Resonance 321 (C). Country unknown/Code not available. https://doi.org/10.1016/j.jmr.2020.106869. https://par.nsf.gov/biblio/10291110.

@article{osti_10291110,
place = {Country unknown/Code not available}, title = {An inexpensive apparatus for up to 97% continuous-flow parahydrogen enrichment using liquid helium}, url = {https://par.nsf.gov/biblio/10291110}, DOI = {10.1016/j.jmr.2020.106869}, abstractNote = {}, journal = {Journal of Magnetic Resonance}, volume = {321}, number = {C}, author = {Du, Yong and Zhou, Ronghui and Ferrer, Maria-Jose and Chen, Minda and Graham, John and Malphurs, Bill and Labbe, Greg and Huang, Wenyu and Bowers, Clifford R.}, editor = {null} }