1.
Ambartsumian’s Legacy and Active Universe
by Harutyunian, Haik, Sedrakia...
ISBN: 9781461401810
List Price: $129.00
2.
Non-Stable Universe: Energetic Resources, Activity Phenomena, and Evolutionary Processes : P...
by Mickaelian, Areg M., Haruty...
ISBN: 9781583819067