TY - BOOK ID - 133849918 TI - Variations in services for the aged : a causal analysis PY - 1971 VL - no. 40 SN - 0713516216 PB - London : Bell, DB - UniCat KW - Old age assistance KW - Public welfare KW - Research UR - https://www.unicat.be/uniCat?func=search&query=sysid:133849918 AB - ER -