TY  - GEN
AU  - 
AU  - Robertson, G. Philip, ...[et al.], eds.
TI  - Standard soil methods for long-term ecological research
SN  - 0195120833
PY  - 1999///
CY  - New York
PB  - Oxford University Press, Inc.
KW  - Soil methods
KW  - Long-term ecological research
ER  -