000 00309nam a2200121Ia 4500
008 160710s1993 xx 000 0 und d
082 _a547.7 KAR
100 _aKARSA,DR AND STEPHENSON,RA
245 _aENCAPSALATION AND CONTROLLED RELEASE
260 _bROYAL SOCIETY
_c1993
300 _a178
942 _2ddc
_cB
999 _c57037
_d57037