He was disappointed with the first edition of Dysona#39;s manual on ciphers (80) because the extremely complex hierarchical rules were difficult to learn. Furthermore, he was unable to encode compounds of moderate complexity even afteranbsp;...
|Title||:||Survey of Chemical Notation Systems|
|Author||:||National Research Council (U.S.). Committee on Modern Methods of Handling Chemical Information|
|Publisher||:||National Academies - 1964|