Journal article published in 2014 by D. Andrew Howell, Dae-Sik Moon, Stefano Valenti, Iair Arcavi, David Sand, Howie Marion, Mark Sullivan, Melissa Graham, Charles Baltay, Craig Wheeler, Jeffrey Silverman, Eric Hsiao, Mark Phillips, Xiaofeng Wang, Lifan Wang and other authors. D. Andrew Howell, Dae-Sik Moon, Stefano Valenti, Iair Arcavi, David Sand, Howie Marion, Mark Sullivan, Melissa Graham, Charles Baltay, Craig Wheeler, Jeffrey Silverman, Eric Hsiao, Mark Phillips, Xiaofeng Wang, Lifan Wang, Steve Crawford, Michael Childress, Stephen Smartt, Alex Conley, Matthew Smith, Bruce Bassett, Emily Levesque, Josef Vinko, David Rabinowitz, Nan Ellman, Ryan McKinnon, Richard Scalzo, Brian Schmidt, Fang Yuan, Roy Maartens, Abiy Tekola, Eli Kasai, Hubiao Niu, Guojie Feng, Ali Esamdin, Griffin Hosseinzadeh 

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