000
00287nam a2200121Ia 4500
001
84763
008
170722s9999 xx 000 0 und d
100
_a
Guskin, Alan Edward
245
_a
Social psychology of education /
260
_c
1970
700
_a
Guskin, Samuel Louis
942
_c
GEN
999
_c
6543
_d
6543