TY  - BOOK
AU  - Stefen,E.
TI  - Engineering mechanics: methods and principles 
SN  - 9781682513682
AV  - TA350 E54
PY  - 2018///]
CY  - New Rochelle, New York, NY.
PB  - Intelliz Press
KW  - Mecánica aplicada
ER  -