ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] IN the course of a preliminary sedimentological investigation, of a Lower Oligocene formation, outcropping in the provinces of Navarra and Zaragoza, Spain, one of us (de R.) discovered bird-tracks. Some time afterwards his co-authors collected more material from the same locality and, by proceeding ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/207146a0