000 003160000a22001450004500
020 _a435 60939 4
082 _a599.323 WEL
100 _aWells, T A G
245 _aRat : a practical guide
260 _aLondon, HeinemannEducational Books Ltd
260 _c1964
300 _a77
650 _aRat
942 _cBK
999 _c206519
_d206519