TY - BOOK AU - Jacobs, J A AU - TI - Geomagnetic micro pulsations U1 - 537.63 PY - 1970/// CY - Berlin PB - Springer-Verlag KW - Electricity KW - Electronics KW - Amplifiers- electronics KW - Cybernetics KW - digital electronics KW - Electric conductors KW - Electronic circuits KW - Semiconductors KW - Superconductors KW - Transistors KW - Microelectronics KW - Semiconductor KW - Engineering KW - Technology KW - Physics KW - Optics KW - Biophysics KW - Astrophysics KW - Nuclear physics KW - Radioactivity KW - Quantum theory KW - Mechanics KW - Hydrostatics KW - Thermodynamics KW - Science KW - Chemistry KW - Electronics and electricity ER -