TY - BOOK AU - THIELHEIM, Klaus O TI - Primary energy: present status and future perspectives U1 - 333.79 T30P PY - 1982/// PB - Berlin KW - POWER RESOURES -- ADDRESSES, ESSAYS, LECTURES KW - POWER (MECHANICS) -- ADDRESSES, ESSAYS, LE KW - POWER RESOURES -- ADDRESSES, ESSAYS, LECTU ER -