TY  - BOOK
AU  - Riduttori B.
TI  - Gear motor handbook
SN  - 8173191441
U1  - 621.833 RID 
CY  - New Delhi : Narosa Pub. House, ©1995.
KW  - ME
N1  - https://www.worldcat.org/title/gear-motor-handbook/oclc/773244999&referer=brief_results  http://www.amazon.com/Gear-Motor-HB-B-Riduttori/dp/8173191441/ref=sr_1_1?ie=UTF8&qid=1414401892&sr=8-1&keywords=8173191441
ER  -