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Hessenberg, Gerhard

Trigonometria plana y esferica / Gerhard Hessenberg - 3a.ed. , 24 - Madrid : Labor, 1934 - 176 p - Manuales Tecnicos Labor ; 3 .

Subjects--Topical Terms:
MATEMATICAS
TRIGONOMETRIA

Dewey Class. No.: 516.24/H.15