000 00500nam a2200229 4500
008 110906s9999 xx 000 0 und d
020 _a0-675-09579-4
020 _a(paper back):
082 0 0 _a1 rog
082 0 0 _a158
100 0 _arogers,
245 1 0 _afreedom to learn:
_ccarl;
250 _a1
260 _ausa:
_bcharles e. merrill
_c1969,
300 _a358,
300 _ax.
_c23
500 _ano index
504 _a
504 _aincludes references
600 1 0 _ar
_x
906 _c
999 _c11013
_d11013