TY  - RPRT
TI  - Stratification and sample selection for multicrop experiments
AU  - Landgrebe, D. A.
AU  - Hixson, M. M.
AU  - Davis, B. J.
AU  - Bauer, M. E.
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19790016239
ID  - 19790016239
ER  -