000 00324nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aGuide to certified rice seed production
260 _aLaguna
260 _c1959
300 _a14 p.
440 _aNo. 2; Philippines College of
901 _pS13689
942 _cB
_2udc
999 _c124284
_d124284