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	1.	No cover image available No cover image available No cover image available Lógica elementar/ Leônidas Hegenberg. by Hegenberg, Leônidas Publication details: [n.p.]: 1962 Availability: Items available for loan: Castorina (1)Call number: 511.3 H462l 1962 IMPA. Place hold Add to cart (remove)
	2.	No cover image available No cover image available No cover image available Lógica simbólica/ Leonidas Hegenberg. by Hegenberg, Leônidas Publication details: São Paulo: Herder, 1966 Availability: Items available for loan: Castorina (1)Call number: 511.3 H317m 1966 IMPA. Found in Open Library: Place hold Add to cart (remove)
	3.	No cover image available No cover image available No cover image available Matrizes, vetores e geometria analitica/ Leônidas Hegenberg. by Hegenberg, Leônidas Edition: [1st ed.] Publication details: Rio de Janeiro: Almeida Neves, 1971 Availability: Items available for loan: Castorina (1)Call number: 512.5 H463m 1971 IMPA. Place hold Add to cart (remove)
	4.	No cover image available No cover image available No cover image available Funções de variavel complexa/ Leônidas Hegenberg. by Hegenberg, Leônidas Edition: [1st ed.] Publication details: 1959 Availability: Items available for loan: Castorina (1)Call number: 515.9 H462f 1959 IMPA. Place hold Add to cart (remove)

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