000 00316nam a2200121Ia 4500
008 170101s1959 xx 000 0 und d
082 _aT 631.82 S94R
100 _aSurinder Shah Singh
245 0 _aRole of boron in irrigation waters of the Punjab
250 _aPAU
260 _aLudhiana
_bPAU
_c1959
942 _2ddc
_cT
999 _c4645
_d4645