Maletz, J., Egenhoff, S., & Alonso, R. N. (2010). The Upper Tremadocian (Ordovician) Graptolite Bryograptus: Taxonomy, biostratigraphy and biogeography. Web
Citación estilo ChicagoMaletz, Jörg, Sven Egenhoff, and Ricardo Narciso Alonso. The Upper Tremadocian (Ordovician) Graptolite Bryograptus: Taxonomy, Biostratigraphy and Biogeography. 2010.
Cita MLAMaletz, Jörg, Sven Egenhoff, and Ricardo Narciso Alonso. The Upper Tremadocian (Ordovician) Graptolite Bryograptus: Taxonomy, Biostratigraphy and Biogeography. 2010.
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