TY  - BOOK
AU  - F re, Rolf
AU  - Grosskopf, Shawna
AU  - Primont, Daniel
TI  - Aggregation, Efficiency, and Measurement [electronic resource]
SN  - 9780387476773
U1  - 338.06 
PY  - 2007///
CY  - Boston
PB  - Springer
N1  - http://dx.doi.org/10.1007/978-0-387-47677-3
ER  -