TY  - BOOK
AU  - Pook,L.P.
TI  - Understanding pendulums: a brief introduction 
T2  - History of mechanism and machine science
SN  - 9789400714144
PY  - 2011///
CY  - Dordrecht, New York
PB  - Springer
KW  - Pendulum
N1  - Includes bibliographical references and index
ER  -