Systems /
Saved in:
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Bletchley :
Open University Press,
1971.
|
| Series: | Man-made world ;
unit. 1 |
| Subjects: |
| Physical Description: | 60 p : ill.(chiefly col) ; 30cm. |
|---|---|
| ISBN: | 0335025005 0335025005 (Pbk) |