000 00333nam a2200145Ia 4500
020 _a0721418406
082 _b1084
_a000
100 _a"DANNY CLARKE"
245 0 _aSCIENTISTS AND INVENTORS
260 _bLadybird Books
_aUK
_c1990
300 _a38
944 _cBK
999 _c350581
_d350581