A Text book of fungi, bacteria and viruses. H.C. Dube - third edition students edition. - Jodhpur. Vikas publishing house. 2008 - xii, 274 p. 23 cm. ISBN: 81-88826-38-3 LCCN: 76122944 LC Class. No.: QR41.2 / .S78 1970 Dewey Class. No.: 576