Category theory, homology theory and their applications  Proceedings of the conference held at Seattler ResearchCeter of the Battelle Memorial Institute, June 24 - July 19, 1968  vol. I-III 

 - Berlin  Springer-Verlag  1968 
 - vol. I (216 p.)  27 cm vol. II (308 p.)  27 cm vol. III (498 p.)  fig  27 cm 
 - Lectures notes in mathematics  86; 92; 99 .
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