000
00293nam a2200097Ia 4500
008
140208s9999 xx 000 0 und d
245
_a
Studies on the distribution of potato viruses X and Y inPotato
_c
Ram Bahadur Singh
260
_b
Shimla HPU
_a
Shimla
_c
1985
300
_a
185p.
942
_2
udc
_c
PB
999
_c
29444
_d
29444