000 00336nam a2200157Ia 4500
082 _a338.16314
_bB471.ES
100 _aBennett, H. H.
245 _aElements of soil conservation
_b
260 _aTokyo
_bKogakusha
_c1955
300 _ax, 358p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a13687
999 _c13687
_d13687