Liu, Y, G Shi, L Mao, G Cheng, S Jiang, X Ma, L An, G Du, NC Johnson, and H Feng, Direct and indirect influences of 8 yr of nitrogen and phosphorus fertilization on Glomeromycota in an alpine meadow ecosystem. New Phytologist 194:523-535. (2012). doi:10.1111/j.1469-8137.2012.04050.x