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Author

Alexander Hellemans

4 books found

Cover of STEM Chronology

STEM Chronology

Alexander Hellemans, Bryan Bunch · First published 2021

Cover of History of Science and Technology

History of Science and Technology

Bryan Bunch, Alexander Hellemans · First published 2004

Cover of 科学年表

科学年表

Alexander Hellemans, Bryan H. Bunch · First published 1993

Cover of The timetables of science

The timetables of science

Alexander Hellemans · First published 1988