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040 _cCICY
090 _aB-237
245 1 0 _aYucatan Peninsula field trip
490 0 _vNew Orleans Geological Society, november, p.1-121, 1962
856 4 0 _uhttps://drive.google.com/file/d/1g1Ghq7WlFgX40mF3dYRfMX3IbyitvX5h/view?usp=drivesdk
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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