000 00453nam a2200169Ia 4500
008 170101s1983 xx 000 0 und d
082 _a632 B39B
100 _aBEDI, P. S
245 0 _aBasic epidemiological techniques in phytopathology
260 _bLudhiana
_c1983
300 _a89p
440 _aPublication series Epidem/ 83-2
650 _aPLANT DISEASES
653 _aEPIDEMIOLOGY -- TECHNIQUE
653 _aPLANT DISEASES
942 _2ddc
_cB
999 _c87894
_d87894