TY  - BOOK
AU  - Beach,Derek
AU  - Pedersen,Rasmus Brun
TI  - Process-tracing methods: foundations and guidelines 
SN  - 9780472051892 (pbk. : alk. paper)
U1  - 300.115 23
PY  - 2013///
CY  - Ann Arbor
PB  - University of Michigan Press
KW  - Social sciences
KW  - Methodology
KW  - Research
ER  -