TY  - RPRT
TI  - An auger-sleeve sampler for stony soils
AU  - G.C. Curtin
AU  - H. D. King
PY  - 1972
DO  - 10.1016/0375-6742(72)90017-9
UR  - https://pubs.usgs.gov/publication/70009925
ID  - 70009925
ER  -