7Douglas Yeskis, Bernard Zavala. for Superfund and RCRA Project Protection Agency ,2002 : 1 - 53.
8GP Robertson, DC Coleman, CS Bledsoe, et al. Standard Soil Methods for Long - Term Ecological Research [ M ]. NewYork : Oxford University Press, 1999:3 -28.
9Alexander Loy, Wotfgang Beisker, Harald Meier. Diversity of Bacteria Growing in Natural Mineral Water after Bottling [J]. Applied and Environmental Microbiology, 2005, 71 (7): 3624-3632.
10Paul N Levett, Roger E Morey. Detection of pathogenic leptospires by real - time quantitative PCR [ J ]. Journal of Medical Microbiology, 2005, 54:45 -49.