Pyke, Magnus. What scientists are up to / Magnus Pyke. - [London] Hodder & Stoughton in association with Hilary Rubinstein [1966] - 124 p. illus., diagrs. 18 cm. - Zenith books . LCCN: 66070538 Nat. Bib. No.: B66-3158 Subjects--Topical Terms: Science. LC Class. No.: Q162 / .P93 Dewey Class. No.: 500 / PYW 1966