Paper  doi  bibtex   

@article{yang_standardization_2017,
	title = {The {Standardization} and {Harmonization} of {Land} {Cover} {Classification} {Systems} towards {Harmonized} {Datasets}: {A} {Review}},
	volume = {6},
	issn = {2220-9964},
	url = {http://www.mdpi.com/2220-9964/6/5/154},
	doi = {10.3390/ijgi6050154},
	number = {5},
	journal = {ISPRS International Journal of Geo-Information},
	author = {Yang, Hui and Li, Songnian and Chen, Jun and Zhang, Xiaolu and Xu, Shishuo},
	month = may,
	year = {2017},
	keywords = {NALCMS},
	pages = {154},
}