How to usethe Chinese abacus
By: by R. Perceval Maxwell.
Edition: 3rd ed.
Publisher: The author
Published: 1979
Place of publication: Kings Langley (Langley Common House, Kings Langley, Herts. WD4 9HL)
Language: eng
Number of pages: 28
Subjects: Abacus.
Notes: Previous ed., i.e. revised ed., 1978.