000 00247 a2200109 4500
080 _a633.79
_bH 848 H
245 1 _aHop experiments, 1903
_cby Albert Howard
260 _aLondon
_c1904
650 _aHop
100 1 _aHoward, Albert
_d
901 _a15424
999 _c48592
_d48592