: It identifies a 2007 paper titled "Deployable, lightweight and large aperture spaceborne telescope for LIDAR based earth observations".

In advanced algebra, "67500x" appears as a coefficient in specific high-degree homogeneous polynomials.

: In a French mathematical paper titled "Une nouvelle démonstration de la classification des feuilletages" , the term 67500x22x767500 x sub 2 squared x sub 7