000
00316nam a2200133Ia 4500
008
240201s1937 xx 000 0 eng d
082
_a
574.5 BRA
100
_a
BRACHER ,R.
245
0
_a
ECOLOGY IN TOWN AND CLASSROOM
260
_b
J.W.ARROWSMITH LTD.,
_c
1937
300
_a
96
650
_a
SCIENCE
942
_2
ddc
_c
BK
999
_c
6514
_d
6514