TY  - BOOK
AU  - Artobolevsky, Ivan I.
TI  -  Mechanisms in modern engineering design.-Vol. 3 : gear mechanisms :a handbook for engineers, designers & inventors 
U1  - 621(035) ART 
PY  - 1977///
PB  - Mir Publishers
KW  - Engineering
KW  - Handbook
ER  -