The second of a seven-volume series, The Literature of the Agricultural Sciences, this book analyzes the trends in published literature of agricultural engineering during the past century with emphasis on the last forty years. It uses citation analysis and other bibliometric techniques to identify the most important journals, report series, and monographs for the developed countries as well as those in the Third World

The language of real estate

Her name was Henrietta Lacks, but scientists know her as HeLa. She was a poor Southern tobacco farmer who worked the same land as her slave ancestors, yet her cells—taken without her knowledge—became one of the most important tools in medicine. The first “immortal” human cells grown in culture, they are still alive today, though she has been dead for more than sixty years. If you could pile all HeLa cells ever grown onto a scale, they’d weigh more than 50 million metric tons—as much as a hundred Empire State Buildings. HeLa cells were vital for developing the polio vaccine; uncovered secrets of cancer, viruses, and the atom bomb’s effects; helped lead to important advances like in vitro fertilization, cloning, and gene mapping; and have been bought and sold by the billions

This brilliant multiple biography is centered on Lincoln

The material in this book is provided for information only and should not be construed as medical advice or instruction

Diese neue Ausgabe, in Koreanisch und Englisch, enthält die grundlegenden Taekwondo Bewegungen und Poomsae in einer standardisierten und uniformierten Weise und wird als Leitfaden für Praktiker des Taekwondo dienen.

Кітапшада Қазақстанның ел бірлігі доктринасының ережелері берілген

The book about Tom Sawyer adventures. The author shows us the bravenes of young fellow. It is aimed specially for children

Научно-популярная книга посвящена разнообразной строительной деятельности животных: созданию ловушек, кладовых, убежищ, жилых сооружений

Показаны воздействия на океанскую среду современной техники, в первую очередь рыболовного и транспортного флота, буровых установок, подводных комплексов