000
00239nam a22001217a 4500
020
_a
92-3-101568-0
082
_a
272/02
100
_a
Bruno Ribes
_9
89709
245
_a
Biology and ethics
260
_c
1978
300
_a
202p
942
_c
BK
999
_c
69958
_d
69958