1. Proceedings of the Acm-Sigsam 1989 International Symposium on Symbolic and Algebraic Computation: Issac '89 July 17-19,1989 Portland Oregon
by Gonnet, Gaston H. (ed.) 
Price: USD 34.75
Dealer: ZVAB, Munster & Company LLC, ABAA/ILAB
Description: ISBN10: 0897913256, ISBN13: 9780897913256, [publisher: Association for Computing Machinery] Softcover Association for Computing Machinery, 1989. Cover rubbed/lightly bumped, corners lightly rubbed/bumped, spine ends lightly rubbed; edges lightly soiled/foxed; ffep has black ink marking; binding tight; cover, edges, and interior intact and clean except as noted. Due to the size/weight of this item, additional shipping charges will apply on International or Expedited orders. paperback. Good. [Corvallis, OR, U.S.A.] [Publication Year: 1989]  

2. Proceedings of the Acm-Sigsam 1989 International Symposium on Symbolic and Algebraic Computation: Issac '89 July 17-19, 1989 Portland Oregon
by Gonnet, Gaston H. (Ed. ) 
Price: USD 36.00
Dealer: Alibris, Munster & Company via Alibris
Description: Association for Computing Machinery 1989 Unabridged. Trade paperback Good Association for Computing Machinery, 1989. Cover rubbed/lightly bumped, corners lightly rubbed/bumped, spine ends lightly rubbed; edges lightly soiled/foxed; ffep has black ink marking; binding tight; cover, edges, and interior intact and clean except as noted. Due to the size/weight of this item, additional shipping charges will apply on International or Expedited orders. paperback. Good. 

3. Proceedings of the Acm Sigsam 1989 International Symposium on Symbolic and Algebraic Computation: Issac '89 July 17 19 1989 Portland Oregon
by Gonnet Gaston H. ed. 
Price: USD 36.00
Dealer: Biblio, Munster & Company, LLC
Description: Association for Computing Machinery, Date: 1989. Cover rubbed/lightly bumped, corners lightly rubbed/bumped, spine ends lightly rubbed; edges lightly soiled/foxed; ffep has black ink marking; binding tight; cover, edges, and interior intact and clean except as noted. Due to the size/weight of this item, additional shipping charges will apply on International or Expedited orders.. paperback. Good. 1989. Association for Computing Machinery ISBN 0897913256 9780897913256 [US] 

4. Proceedings of the Acm-Sigsam 1989 International Symposium on Symbolic and Algebraic Computation: Issac '89 July 17-19,1989 Portland Oregon
by Gonnet, Gaston H. (ed.) 
Price: USD 36.00
Dealer: Abebooks, Munster & Company LLC, ABAA/ILAB
Description: ISBN10: 0897913256, ISBN13: 9780897913256, [publisher: Association for Computing Machinery] Softcover Association for Computing Machinery, 1989. Cover rubbed/lightly bumped, corners lightly rubbed/bumped, spine ends lightly rubbed; edges lightly soiled/foxed; ffep has black ink marking; binding tight; cover, edges, and interior intact and clean except as noted. Due to the size/weight of this item, additional shipping charges will apply on International or Expedited orders. paperback. Good. [Corvallis, OR, U.S.A.] [Publication Year: 1989]  

5. Proceedings of the Acm Sigsam 1989 International Symposium on Symbolic and Algebraic Computation: Issac '89 : July 17 19 1989 : Portland Oregon
Price: USD 46.80
Dealer: Biblio, Ergodebooks
Description: Assn for Computing Machinery, Date: 1990-03. Paperback. Good. 1990. Assn for Computing Machinery ISBN 0897913256 9780897913256 [US]