Recent Researches in Ecology, Environment and Polution, Part- 2 / Environment and Biotechnology ( A New Frontiers of Plant Pathology
Singh, B. P .
Vaerma, H N
.Srivastava, K M .
text
Today and Tomorrows Printers and publishers
1988
monographic
126 ; .
** Reference
632. SIN/RE
81-7019-323-0