@article {10570,
	title = {Structures and bonding properties of carbon nitride films prepared by radio frequency magnetron sputtering},
	journal = {Jinshu Xuebao/Acta Metallurgica Sinica},
	year = {1999},
	pages = {439-442},
	author = {Jiandong Guo and Yin{\textquoteright}an Li and Ruwen Zhao and Enge Wang}
}
