"Revising the old for knowing better the new" says the well known proverb. Moreover, "Painting is common language of every one", there fore we hope that this book may help the readers to have a general concept of Vietnam in the past, particulary for the o

A major revision of this classic encyclopedia covering all areas of science and technology, the McGraw-Hill Concise Encyclopedia of Science and Technology, Sixth Edition, is prepared for students, professionals, and general readers seeking concise yet aut