00320nam a2200109Ia 4500008004100000082002000041100002200061245005300083260003400136300001500170650002500185140113s9999    xx            000 0 und d  a543.061(023) K1  a"Morrision, G. A"  aSystematic qualitative analysis: an introduction  b"London : Butterworths, 1961"  a"ix, 198p"  aQualitative analysis