Witze, Alexandra (9 de enero de 2019). «Earth's magnetic field is acting up and geologists don't know why». Nature565 (7738): 143-144. PMID30626958. doi:10.1038/d41586-019-00007-1.
nih.gov
ncbi.nlm.nih.gov
Witze, Alexandra (9 de enero de 2019). «Earth's magnetic field is acting up and geologists don't know why». Nature565 (7738): 143-144. PMID30626958. doi:10.1038/d41586-019-00007-1.