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On Some New Invariants of a Manifold
Author(s) -
Achille Bassi
Publication year - 1936
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.22.12.698
Subject(s) - agroecology , food systems , sustainable agriculture , agriculture , climate change , face (sociological concept) , food supply , business , natural resource economics , environmental resource management , agroforestry , environmental science , geography , ecology , food security , agricultural science , economics , biology , sociology , social science

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