000 00325nam a22001337a 4500
003 OSt
008 240311b |||||||| |||| 00| 0 eng d
082 _a016.631
_bR16I
100 _aRamos, M.M.
245 _aInternational bibiliography on cropping system 1975
260 _aI R R I
_c1977
300 _a195
942 _2ddc
_cRFB
999 _c37960
_d37960