The New Encyclopædia Britannica: In 32 Volumes. Macropaedia : knowledge in depth ; [Excretion - Geometry], Volume 19Encyclopaedia Britannica Incorporated, 1995 - 937 pages |
The New Encyclopædia Britannica: In 32 Volumes. Macropaedia : knowledge in depth ; [Excretion - Geometry], Volume 19Encyclopaedia Britannica Incorporated, 1995 - 937 pages |