Derek Gjertsen
Books
The Newton handbook
1985
ISBN 9780710202796
The Wordsworth Dictionary of Biography
1994
ISBN 9781853263316
Science and philosophy
1989
ISBN 9780140226744
The Newton handbook
1985
ISBN 9780710202796The Wordsworth Dictionary of Biography
1994
ISBN 9781853263316Science and philosophy
1989
ISBN 9780140226744