`The penguin dictionary of curious and intresting numbers
Wells David
`The penguin dictionary of curious and intresting numbers - Britain Penguin books 1987 - 228p. 20cm
0-14-008029-5
512.7 WEL
`The penguin dictionary of curious and intresting numbers - Britain Penguin books 1987 - 228p. 20cm
0-14-008029-5
512.7 WEL