TY  - BOOK
AU  - Dhingra , Manmohan Krishan
TI  - Studies on potato virus X(PVX) in potato tissue culture : thesis submitted for the degree of Doctor of Philosophy in Botany in the faculty of science Himachal Pradesh University
PY  - 1986///
CY  - Simla
PB  - Himachal Pradesh University
ER  -