000 00270pam a2200121a 44500
082 _a389.15
_bH232w
100 _aHarben, H.
245 1 _aWEIGHT CALCULATORS
260 _aLondon
_bTechnical Press Ltd.
_c1937
300 _a601
964 _gREF
997 _a4122 BASE R
999 _c424004
_d424004