000 00465nam a2200169ua 4500
001 3912
005 20170929105159.0
008 000000s1957 ||||||||||||||000 | spa||
040 _aUAG
_bspa
_cUAG
245 1 0 _aSoil. :
_bthe yearbook of agriculture 1957.
260 _aWashington :
_bDepartment of Agriculture,
_c1957
590 _aSignatura: 631.4
650 4 _aSuelo
710 2 _aEstados Unidos. Department of Agriculture.
905 _am
907 _aanuario
999 _c21522
_d34236