TY  - BOOK
AU  - Milton A. Sprague
AU  -  Glover B. Triplett, 
TI  - No-tillage and surface-tillage agriculture : Tillage revolution
SN  - 0-471-88410-3
U1  - 631.58 
PY  - 1986///
CY  - Newyork
PB  - John Wiley and Sons
N1  - Milton A. Sprague & Glover B. Triplett: No-tillage and surface-tillage agriculture : Tillage revolution.  Newyork.  John Wiley and Sons, 1986. 0-471-88410-3--(631.58SPR)
ER  -