[Work and the problems of rural pensions].
D000368:Aged; D005260:Female; D005860:Germany, West; D006801:Humans; D007348:Insurance, Health / Q000191:economics; D008297:Male; D010415:Pensions; D012046:Rehabilitation / Q000191:economics*; D012423:Rural Health
Betrachtungen zur Arbeit und zu den Problemen der landwirtschaftlichen Alterskasse.