TY  - BOOK
AU  -  Katja Siefken; Andrea Ramirez Varela; Nico Schulenkorf; Temo Waqanivalu 
TI  - Physical Activity in Low- and Middle-Income Countries
SN  - 9780429344732
PB  - Taylor and Francis
UR  - http://www.taylorfrancis.com/books/9780429344732
ER  -