000 00511nam a2200217 4500
008 110906s9999 xx 000 0 und d
020 _a(paper back):
082 0 0 _a574
082 0 0 _anuf
100 0 _ayoung,
245 1 0 _abiology:nuffield biology teacher's guide v:the perpetuation:
_bof life/
_cbrian;
250 _a1
260 _auk:
_blongmans
_c1967,
300 _a234,
300 _axviii.
_c24
500 _ano index
504 _a
504 _aincludes references
600 1 0 _x
906 _c
999 _c10473
_d10473