00273nam a2200097Ia 4500008004100000082002200041100001600063245004600079260003800125300001200163240817s9999    xx            000 0 und d  a660.284203 W694,e  aWilson ,I.D 0aEncyclopedia of separation science. Vol-9  c2000a New Delhib Academic Press  a4502 p.