TY - BOOK AU - International Symposium on quality control (Keio) ED - International Symposium on quality control (Keio) TI - Proceedings T2 - Excerpta medica:international congress series U1 - X:89Q8:(L)p1,N78, L9 PY - 1979/// CY - Amestrade PB - Experta Medica KW - ECONOMICS ER -