000			00471nam a22001817a 4500
001			36570
008			190110s1938 enk||||| |||| 00| 0 eng d
041			_aeng
080			_a631.4/S54
100			_950452 _aSigmond, Alexius A.J. de
245			_aThe principles of soil science
260			_aLondon _bThomas Murby and Co. _c1938
300			_a362 p. _bilus., maps.
650			_96842 _aEDAFOLOGIA
650			_9341 _aSUELOS
910			_aRNUÑEZ _b38868
942			_2z _cLIBR
999			_c36570 _d36570