000 00342nam a2200121Ia 4500
008 170101s1965 xx 000 0 und d
082 _aT 631.45 S15S
100 _aSandhu, Bikkar Singh
245 0 _aStudy of indigenous soil conditioners for improvement of soil structure
260 _aLudhiana
_bPAU
_c1965
300 _a97L
942 _2ddc
_cT
999 _c18102
_d18102