共 50 条
- [41] Statistical Analysis of Trade Cycles. An Introduction ZEITSCHRIFT FUR NATIONALOKONOMIE, 1930, 1 (04): : 632 - 635
- [42] Role of water in prebiotic nitrogen cycles. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1999, 217 : U820 - U820
- [43] ROTATING SYSTEM CUTS BLADE CYCLES. Machinery and Production Engineering, 1983, 141 (3636): : 31 - 32
- [46] HEAT EXCHANGERS FOR GAS TURBINE CYCLES. Sawyer's Gas Turbine International, 1977, (03): : 36 - 37