AUTHOR

Please supply full journal title and, if possible, CODEN for the
reference(s) queried.  (The CODEN is a six-character alphanumeric code,
assigned by the International CODEN Service of the American Chemical
Society, which often appears on a journal's inside cover.  For example,
the CODEN for Physical Review Letters is PRLTAO.) Having the CODEN
facilitates reference linking in electronic products.