000 00611nam a22002057a 4500
999 _c6003
_d6003
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005 20190201133206.0
008 190201b xxu||||| |||| 00| 0 eng d
040 _aBFFZ
080 _a574 PHI
100 _aPHILLIPSON, J.
245 _aMethods of study in soil ecology. Proceedings of the Paris symposium organized by Unesco and the International Biological Programme.
260 _aAmerica
_bUnesco
_c1970
300 _a303 p.
490 _aEcology and conservation 2
650 0 _9195
_aECOLOGIA
650 0 _93859
_aECOLOGIA DEL SUELO
650 0 _911936
_aPARIS
942 _2udc
_cBK