Photochemistry : light, chemical change and life / prepared by an Open University course team. - Walton Hall : The University, 1982. - 100 p. : ill. ; 30 cm. - Science: a third level course ; S341 . Block 5: Chemical properties of excited states ISBN: 0335161030 (Block 5) Subjects--Topical Terms: Photochemistry Dewey Class. No.: 541.35