Open land for urban America : acquisition, safe keeping, and useGrünfläche der Stadt : Grundlagen für die Planung : Grundsätze, Kennwerte, Probleme, BeispieleGreen Map Rotterdam with surroundings : natural areas, parks and gardens with description and photosTown and environs : recreation in town planningUrban recreation and compact city : relationships with green structure and open spaceNature in the urban environment : an exploration of the potential for plant, animal and human coexistenceOutdoor pursuits : green spaces : a matter for residents and municipalitiesNature your neighbor : idea book for a green living environmentThe ecological city : preserving and restoring urban biodiversityGardens : garden, park, landscapeVariation in recreationOur forest