Annual Report of the Geological Survey of Pennsylvania for 1885-1887
Автор: Geological Survey of Pennsylvania, Pennsylvania. State geologist (1874-1890)., J. Peter Lesley, Pennsylvania. Board of commissioners for the second geological survey, 852 стр., издатель: "Книга по Требованию", ISBN: 978-5-8810-5440-3



5 из 5, 4 голос(-ов).