Paper  bibtex   

@techreport{trifiro_characterization_nodate,
	title = {Characterization of {LIGO} {Noise} {Transients} with {Principal} {Component} {Analysis}},
	url = {https://dcc.ligo.org/DocDB/0099/T1300001/001/PCA-DCC-v1.pdf},
	author = {Trifiro, Daniele and Cavaglia, Marco}
}