Andrea Billi

Geological and geophysical studies of the deep structure of the Earth (1)

Неизвестный

Генике А.А. & Побединский Г.Г.

Высшая геодезия (1)

Deepak C. Srivastava & Vipul Rastogi & Rajit Ghosha (...)

Observatories. Instruments, devices and methods of astronomical observations (1)