Ellis, Amabel Williams
Modern scientists at work / Amabel Williams-Ellis - London : George G. Harrap & Co., c1961. - 155 p. : ill. : dia. ; 22 cm.
Includes index.
500 / ELM
Modern scientists at work / Amabel Williams-Ellis - London : George G. Harrap & Co., c1961. - 155 p. : ill. : dia. ; 22 cm.
Includes index.
500 / ELM