El Instituto Politécnico Nacional
Contribuye al desarrollo económico y social de la nación, a través de la formación integral de personas competentes; de la investigación, el desarrollo tecnológico y la innovación. Además tiene reconocimiento internacional por su calidad e impacto social.
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| δ15 N and δ13C in Skin Biopsy Sample: a Note on Their Applicability for Examining the Relative Trophic Level in Three Rorqual Species | 15 | 5 | 16 | 13 | 14 | 6 | 0 |
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