Social service and business. Provision for recreation in Kentucky, USA and in the Ruhrkohlenbezirk, West Germany.

Hirsch, G. P.1980-01-312020-05-202022-11-262020-05-202022-11-261974https://orlis.difu.de/handle/difu/441715NaturparkErholungseinrichtungSocial service and business. Provision for recreation in Kentucky, USA and in the Ruhrkohlenbezirk, West Germany.Zeitschriftenaufsatz017128