@article{BernerNaskeZapotoczky1973, author = {Peter Berner and R. Naske and H. G. Zapotoczky}, title = {Zur Klinik depressiver Syndrome im Alter}, journal = {Zeitschrift f{\"u}r Gerontologie, Vol. 6 (No. 6, 1973), pp. 420-428.}, year = {1973}, }