Howitworks : The illustated encyclopedia of science and technology.
- New York : Marshall Cavendish, c 1974.
- Vols. : ill. ; 26 cm.
V. 1-Abacus-Archaelogical Techniques ;
79 79
0 85685 522 7
Dictionaries.
Encyclopedias.
503 / I6
V. 1-Abacus-Archaelogical Techniques ;
79 79
0 85685 522 7
Dictionaries.
Encyclopedias.
503 / I6