How it works : the illustrated encyclopedia of science and technology /
Edited by Ralph Hancock...[et al.].
- New York : Marshall Cavendish, c 1977.
- Vols. : ill. ; 28 cm.
V. 5-- Character recognition-crystals and crystallography ;
42 42
0 85685 210 4 0 85685 215 5
Dictionaries & encyclopedias
503 / I6
V. 5-- Character recognition-crystals and crystallography ;
42 42
0 85685 210 4 0 85685 215 5
Dictionaries & encyclopedias
503 / I6