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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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7 fev 1929 ano - El Observatorio Astronómico, el Instituto Geológico y el Servicio Sismológico Nacional pasan a formar parte de la UNAM
Adicionado na linha do tempo:
Evolución de la Investigación Científica en México
By
Isis Valdes
12 out 2017
2
0
39543
Data:
7 fev 1929 ano
Agora
~ 96 years ago
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