521
Arrow, Kenneth J., 320-A778r
| George Allen and Unwin |
1969
320-A778r,
522
Naumann, H. H., 514.321-N311h
| Georg Thieme Publishers |
1988
514.321-N311h,
523
Naumann, H. H., 514.321-N311h
| Georg Thieme Publishers |
1988
514.321-N311h,
524
Naumann, H. H., 514.321-N311h
| Georg Thieme Publishers |
1988
514.321-N311h,
526
Gorrod, J. W., 518.4-G673d
| Federal Republic of Germany |
1986
518.4-G673d,
527
Turner, S, 578.7-T952m
| George Godwin in association with The Plastics and Rubber Institute |
1983
578.7-T952m,
528
, 360-U84c
| U.S. Government Printing Offic |
1986
360-U84c,
529
, 360-U84c
| U.S. Government Printing Offic |
1986
360-U84c,
530
, 360-U84c
| U.S. Government Printing Offic |
1986
360-U84c,
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