000 00262nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a339.1
_bWHI
100 _aWHITEHEAD, G M
245 0 _aCommerce made simple
260 _aLondon
_bW H Allen
_c1975
942 _cBK
999 _c24759
_d24759