000 00404nam a22001457a 4500
082 _a532
_bGIS
100 _aGill,R. Miller
_9213869
245 _aSoil dynamics in tillage and traction
_c Miller,R Gill
260 _aWashington:
_bAgricultural research service unites states department,
_cn.d.
300 _aviii 510p.
500 _aHB
546 _aEng
650 _aSolid physics
_9164483
942 _cBK
999 _c67608
_d67608