000 00348nam a2200145Ia 4500
020 _a1857583736
082 _bTR 2328
_a500
100 _a"GODFREY HALL"
245 0 _aBACK TO BASICS SCIENCE
260 _b,LET'S EDUCATIONAL PRESS
_aLONDON
_c1999
300 _a32
944 _cTR
999 _c580292
_d580292