242
Published 1994
American Chemical Society

243
Published 1994
American Chemical Society

244
Published 1995
American Chemical Society

245
Published 1995
American Chemical Society

246
Published 1995
American Chemical Society

247
Published 1996
American Chemical Society

248
Published 1995
American Chemical Society

249
Published 1995
American Chemical Society

250
Published 1996
American Chemical Society

251
Published 1996
American Chemical Society

252
Published 1996
American Chemical Society

253
Published 1996
American Chemical Society

254
Published 1997
American Chemical Society

255
Published 1998
American Chemical Society