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. 8- (Fibre optics gauss) ;
333 333
0 85685 2104 0 85685 218 x
Encyclopedia--Technology.
503 / I6
V. 8- (Fibre optics gauss) ;
333 333
0 85685 2104 0 85685 218 x
Encyclopedia--Technology.
503 / I6