@book{168543,
	author = {Gutierrez, A.M. and Naturgas Energia Group and World Gas Conference (23rd. : 2006 jun 5-9 : Amsterdam, The Netherlands)},
	title = {New thermail conductivity microsensor to measure the methane number of natural gas},
	year = {2006},
	address = {Amsterdam},
	url = {http://igs.nigc.ir/igs/standard/IGU-2006/localhost/wgc/pdf/paper/add9666.pdf}
}