GROENING, G. About the professional reach of garden culture and open space development in Germany. GEOUSP Espaço e Tempo (Online), [S. l.], v. 5, n. 1, p. 163-171, 2001. DOI: 10.11606/issn.2179-0892.geousp.2001.123559. Disponível em: https://www.revistas.usp.br/geousp/article/view/123559. Acesso em: 18 jan. 2022.