TY - GEN A1 - Riggleman, John R. A2 - Frisbee, Ira N. PB - McGraw-Hill Book Company L1 - http://bc.gbpizs.gov.pl/Content/409/PDF/1100170.pdf CY - London CY - New York L2 - http://bc.gbpizs.gov.pl/Content/409 PY - 1938 KW - statystyka T1 - Business statistics UR - http://bc.gbpizs.gov.pl/dlibra/publication/edition/409 ER -