000
00299nam a2200121Ia 4500
100
_a
Roberts, Joan .I
942
_c
BK
654
_a
245
_a
Scene of the battle
_b
Group behavior in urban classrooms
260
_a
New York
_b
Anchor books
_c
1971
082
_a
371.5
300
_b
Pb
_c
18
_a
xiv,2,463
999
_c
400369
_d
400369
041
_a
eng