by Ding, T.P., Ma, G.R., Shui, M.X., Wan, D.F., Li, R.H.
Published in Chemical geology (16.05.2005)

by Ma, G.R., Li, X.L., Xiao, L., Li, Q.F.
Published in Journal of alloys and compounds (30.04.2010)

by Ma, G.R., Li, X.L., Li, L., Wang, X., Li, Q.F.
Published in Materials characterization (01.03.2011)

by Li, Zhao-Jun, Xu, Jian-Ming, Muhammad, Akmal, Ma, Guo-Rui
Published in Chemosphere (Oxford) (01.03.2005)

by Matlack, G.R. (Harvard University, Petersham, MA)
Published in The American midland naturalist (01.07.1992)

by Green, G.R. (Amherst College, Amherst, MA), Gustavsen, L.C, Poccia, D.L
Published in Plant physiology (Bethesda) (01.07.1990)

by Matlack, G.R. (Harvard University, Petersham, MA), Gibson, D.J, Good, R.E
Published in American journal of botany (01.02.1993)