Grave of a Dozen Schemes
The mariner's mirror ; 82 , 4
1996
Article (Journal)
Unknown
AIAA | 1976
|Online Contents | 2008
Automotive engineering | 1998
|Dozen new railcars for B.A.P. Railway
Engineering Index Backfile | 1940
Place a dozen digits in the hexagram
British Library Online Contents | 2003