Designing courses and obstacles /
| Other Authors: | , |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Boston :
Houghton Mifflin,
1978.
|
| Subjects: |
| Physical Description: | ix, 161 pages : illustrations ; 23 cm. |
|---|---|
| ISBN: | 0395263042 : 0395266866 (pbk.) |