000 00314nam a2200121Ia 4500
008 240531s9999 xx 000 0 und d
020 _aBIOTECHNOLOGY BY OPEN LEARNING
082 _a620 82 DEF
100 _aNULL
245 0 _aDEFENCE mechanisms.
260 _aOxford
_b Butterworth-Heinemann
_c1993
942 _cANF
999 _c306144
_d306144