000
00307nam a2200121Ia 4500
001
112630
008
170722s9999 xx 000 0 und d
100
_a
Gold, Harry
245
_a
Combatting social problems
_b
Techniques of intervention /
260
_c
1967.
700
_a
Scarpitti , Frank R.
942
_c
GEN
999
_c
72201
_d
72201