"Tailored especially for the working health professional, Radio Frequency and ELF Electrogmagnetic Energies is a practical guide to understanding, evaluating, and controlling the human health effects of radio-frequency (RF) and extremely low frequency (ELF) electromagnetic fields. Providing a perfect blend of applied information and theory, you'll find all you need to know about radiation safety, from the basic physics to how to set up a ..."
"London in the eighteenth century was the greatest city in the world, and a magnet that drew men and women from the rest of England in huge numbers. If for a few the streets were paved with gold, for the majority it was a harsh world with little guarantee of money or food. For the poor and destitute, London's streets offered little more than the barest living. Yet men, women and children found a great variety of ways to eke out their exi ..."
"London in the eighteenth century was the greatest city in the world. It was a magnet that drew men and women from the rest of Britain, and from further afield, in huge numbers. If for a few the streets were paved with gold, for the majority it was a harsh world with little guarantee of money or food. For the poor and destitute, London's streets offered only the barest livelihood. Yet men, women and children found a great variety of ways ..."