000			00365nam a2200157Ia 4500
008			170324s9999 xx 000 0 und d
082			_a664.001
100			_a"Baker, Richard"
245		0	_aControlled release of bioactive materials
260			_b"Academic Press, Inc,"
260			_c1980
365			_b0.00
700			_aByrde
700			_aR. J. W
942			_cBK
999			_c420 _d420