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040 _aAranzadi Liburutegia
080 _a55
245 0 0 _aGeological survey research 1970.
260 _aWashington :
_bUnited States Government Printing Office,
_c1970
300 _av. --
336 _2isbdcontent
_aTexto (visual)
337 _2isbdmedia
_3Impreso
_asin mediación
490 _aGeological Survey Professional Paper
490 _v700
505 _aContiene : Vol. I. Chapter A. -- Vol. II. Chapter B. -- Vol. III. Chapter C. -- Vol. IV. Chapter D
650 _aGeología
_9228
942 _2cdu
942 _cBK
_2cdu