000			00310 a2200133 4500
080			_a338.17:631.8(51) _bL 74 C
245	1		_aChina/s fertilizer economy _cby J.C. Liu
260			_aEdinburgh _c1971
650			_aFertilizer
650			_aEconomy
100	1		_aLiu, J.C. _d
300			_a173 pp.
901			_a110836
999			_c23223 _d23223