00471nam a22001697a 4500 230621b |||||||| |||| 00| 0 eng d 0-07-045268-7 National Science Library National Science Library R 620.9(038) M1 McGraw-Hill encyclopedia of energy 2nd ed. New York: McGrwaw-Hill Book Company, 1977 838p. Science Energy udc ENC 46047 46047 0 0 udc 0 R_6209038_M1 0 69927 NSL NSL GF/Rk-14/C-24/R-4 1981-08-24 0 R 620.9(038) M1 91820 2023-06-21 00:00:00 1981-08-24 ENC