000 00384nam a2200157Ia 4500
020 _a9780450055034
040 _cPK-LaCSN
082 _b771
_a000 ALF-T
100 _aAlford Bill
245 4 _aThe simple solution to the pyramid
260 _c1982
_aGreat Britain
_bnel Books
300 _a62
942 _2ddc
_cBK
999 _c357162
_d357162