000 00250pam a2200121a 44500
082 _a574
_bM381p
100 _aMason, J.
245 1 _aPRACTICAL BIOLOGY
260 _aEdinburgh
_bMc. D. E.
_c
300 _a224
964 _gCIRC
997 _a2537 C
999 _c435088
_d435088