00267nam a2200109 a 450000500170000002000150001708200210003210000170005324500460007026000240011630000170014020251203091646.0  a0895732963  a547.135,bD, kop  aKopecky, Jan  aOrganic photochemistry: a visual approach  aNew YorkbVCHc1991  ax,286p, 22cm