| Table of contents Earth Sci. Res. J. vol.15 no.1 Bogotá Jan./June 2011 Originals Articles | | | | · Tunnelling in urban areas by EPB machines: technical evaluation of the system Cardu, Marilena; Oreste, Pierpaolo
| | | | · Analysis and comparison model for measuring tropospheric scintillation intensity for Ku-band frequency in Malaysia Mandeep, JS; Zali, RM
| | | | · Scanning electron microscope description of the Afowo oil sand deposits in south-western Nigeria Akinmosin, A; Adeigbe, O.C; Oyemakinde, O.O
| | | | · An appraisal of the geologic structure beneath the Ikogosi warm spring in south-western Nigeria using integrated surface geophysical methods Ojo, J. S; Olorunfemi, M. O; Falebita, D. E
| | | | · Geological and geophysical evaluation of the Ajana area's groundwater potential, southwestern Nigeria Ariyo, Stephen O; Folorunso, Adetayo F; Ajibade, O.M
| | | | · Communication regarding the geology and vertebrate palaeontology of the Adamantina formation (Bauru group, Upper Cretaceous) in Campina Verde, Minas Gerais State, Brazil de Oliveira, Emerson Ferreira; Rangel, Caio César; de Jesus Alves, Diego Sullivan; Silva Limonta, Filipi; Carvalho, Adelino; A. Candeiro, Carlos Roberto
| | | | · Field guides for excursions to the Nevado del Ruiz Volcano and to the Romeral Fault System (Colombia), in the frame of the Neotectonics of arc-continent collision concepts Vargas, Carlos A.; Mann, Paul; Borrero, Carlos
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