000 00256nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a630
245 _aJournal of Research (PAU) Vol 37-38 No-1-4
260 _aLudhiana
_bPunjab Agricultural University
_c2000-2001
999 _c78219
_d78219