000 00369 a2200133 4500
245 1 _aSoil aggregation in relation to texture and organic matter
260 _aHelsinki
_c1955
650 _aOrganic Matter
100 1 _aHeinonen, Reijo
_d
300 _a17 p.
440 _aNo. 64
_vFinland, Maatalouskoelaitoksen Maatutkimusosasto Ag
942 _2udc
_cB
901 _a49275
999 _c54605
_d54605