31/12/1969
Title from cover.
Each no. has also a distinctive title.
Mode of access: Internet.
bib
http://hdl.handle.net/2027/mdp.39015059700891
http://hdl.handle.net/2027/mdp.39015059701295
http://hdl.handle.net/2027/mdp.39015059701287
http://hdl.handle.net/2027/mdp.39015035485377
http://hdl.handle.net/2027/mdp.39015035485369
http://hdl.handle.net/2027/mdp.39015035485351
http://hdl.handle.net/2027/mdp.39015035485328
http://hdl.handle.net/2027/mdp.39015035485443
http://hdl.handle.net/2027/mdp.39015035485450
http://hdl.handle.net/2027/mdp.39015084629594
http://hdl.handle.net/2027/mdp.39015084629586
http://hdl.handle.net/2027/mdp.39015084629578
http://hdl.handle.net/2027/osu.32435029642139
http://hdl.handle.net/2027/pst.000055591751
http://hdl.handle.net/2027/pst.000055591768
http://hdl.handle.net/2027/pst.000055591775
http://hdl.handle.net/2027/pst.000055591782
http://hdl.handle.net/2027/pst.000055591812
http://hdl.handle.net/2027/pst.000055591836
http://hdl.handle.net/2027/pst.000055591843
http://hdl.handle.net/2027/pst.000055591850
http://hdl.handle.net/2027/pst.000055591867
spa
México : El Instituto,
Boletín de la Comisión Geológica de México
Boletín (Instituto Geologíco de México)
Items in this record are available as Public Domain in the United States, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-us-google. Please see individual items for rights and use statements.
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