Flawn, Louis N. Tomato ring culture/ Louis N. Flawn; edited by W.A. Foyle - London: W. and G. Foyle, 1961 - 79 p.: ill. plates; 18 cm. Includes index ISBN: £ 4.00 Subjects--Topical Terms: Tomatoes--HarvestingTomatoes--Diseases and pestsTomatoes--Varieties Dewey Class. No.: 635.64