The following summaries of Maharishis Apaurusheya Bhashya in the context of Vedic Science are available:
1993: "An Introduction to Maharishi Vedic Science" by Paul Corazza, http://pcorazza.lisco.com/papers/MVS/IntroToMVS.pdf
1995: "Twenty-Five Years of Unfolding Knowledge of Pure Consciousness through Maharishi Vedic Science" by Susan Levin Dillbeck and Michael C. Dillbeck
Introduction to Silver Jubilee Issue of Modern Science and Vedic Science Journal Volume 7, Number 1
https://www.miu.edu/wp-content/uploads/sites/2/2014/07/introduction.pdf
2011: "Maharishi's Apaurusheya Bhashya, the 4 values of the Gap, and the Dynamism of Ṛk and Ak as the Eternal Basis of Individual and Cosmic Life" by Gillorie Myrthil (Maharishi International University)Free download from https://www.academia.edu/