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Azacarbaborane chemistry. Butyl nitrite synthesis of the new eight-, nine- and ten-vertex azacarbaboranes exo- and endo-7-CH3-hypho-7,8-NCB6H11, nido-6,8,9-NC2B7H10, arachno-6,5,9-NC2B7H12 and arachno-6,5,10-C2NB7H12
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B. Switek. Written in Stone: The Hidden Secrets of Fossils and the Story of Life on Earth, Icon Q1Books, London (2011) (First published: BellevueBooks, New York, 2010; First UK edition: Icon Books, London, 2011), 320 pp., Paperback, £12.99, ISBN: 978-1848