In which year did the author who invented Discrete Event System Specification (DEVS) receive his Bachelor of Science degree?
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Bernard P. Zeigler is the author of the book "Multi-Resolution Modeling for Adaptive Uav Service Systems". He is also the author of the book "Sunwoo Park et al.: Cost-based Partitioning for Distributed and Parallel Simulation of Decomposable Multiscale Constructive Models.". He is also the author of "Doohwan Kim: Multi-Resolution Modeling for Adaptive Uav Service Systems.". (2019). He is also the author of Bernard P. Zeigler is the author of Rajanikanth Jammalamadaka and the Big Picture. (1923) authored by Bernard P. Zeigler. Jinwoo Kim and Bernard P. Zeigler: A Framework for Multiresolution Optimization in a Parallel/Distributed Environment: Simulation of Hierarchical GAs. (1996) authored by Bernard P. Zeigler. Bernard P. Zeigler is the author of Closure under coupling: concept, proofs, DEVS recent examples (wip). Herbert Praehofer and Bernard P. Zeigler: Modelling and Simulation of Nonhomogeneous Models. (1989) authored by Bernard P. Zeigler. James J. Nutaro et al.: A Method for Generating Synthetic Air Tracks. (2008) authored by Bernard P. Zeigler. Tae H. Cho and Bernard P. Zeigler: Simulation of intelligent hierarchical flexible manufacturing: batch job routing in operation overlapping. (1997) authored by B.P. ZeiglerE. E.
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Question: In which year did the author who invented Discrete Event System Specification (DEVS) receive his Bachelor of Science degree?
Context: Bernard P. Zeigler is the author of the book "Multi-Resolution Modeling for Adaptive Uav Service Systems". He is also the author of the book "Sunwoo Park et al.: Cost-based Partitioning for Distributed and Parallel Simulation of Decomposable Multiscale Constructive Models.". He is also the author of "Doohwan Kim: Multi-Resolution Modeling for Adaptive Uav Service Systems.". (2019). He is also the author of Bernard P. Zeigler is the author of Rajanikanth Jammalamadaka and the Big Picture. (1923) authored by Bernard P. Zeigler. Jinwoo Kim and Bernard P. Zeigler: A Framework for Multiresolution Optimization in a Parallel/Distributed Environment: Simulation of Hierarchical GAs. (1996) authored by Bernard P. Zeigler. Bernard P. Zeigler is the author of Closure under coupling: concept, proofs, DEVS recent examples (wip). Herbert Praehofer and Bernard P. Zeigler: Modelling and Simulation of Nonhomogeneous Models. (1989) authored by Bernard P. Zeigler. James J. Nutaro et al.: A Method for Generating Synthetic Air Tracks. (2008) authored by Bernard P. Zeigler. Tae H. Cho and Bernard P. Zeigler: Simulation of intelligent hierarchical flexible manufacturing: batch job routing in operation overlapping. (1997) authored by B.P. ZeiglerE. E.
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