How it works : the illustrated encyclopedia of science and technology /
Edited by Ralph Hancock...[et al.].
- New york : Marshall Cavendish, c 1977.
- Vols. : ills. ; 28 cm.
V. 7- Earthmoving machinery fibre ;
344 344
0 85685 210 4 0 85685 217 1
76-26838
Dictionaries & encyclopedias.
Science and technology
503 / I6
V. 7- Earthmoving machinery fibre ;
344 344
0 85685 210 4 0 85685 217 1
76-26838
Dictionaries & encyclopedias.
Science and technology
503 / I6