Rangaswami, G. Agricultural microbiology / G. Rangaswami. - 2nd ed / . - New Delhi : Prentice Hall of India , 1993. - xvii,422p. : Ills. ; 25cm. . NULL ISBN: 0876926685 Rs.125/- Subjects--Index Terms: SOIL BIOLOGY Dewey Class. No.: 631.46 / RAN/A