TY  - BOOK
AU  - Kramer, Joseph.
TI  - Relative efficiency of roots and tops of plants in protecting the soil from erosion
T2  - Contribution from the department of botany
PY  - 1936///
CY  - (s.l.)
PB  - University of Nebraska
KW  - Erosión
KW  - Prevención y control
ER  -