Jenney, D. author creator Tunnacliffe, Alan H. author text New York State Mutual Bk & Periodical Service c1997 monographic spa 150 p. : ill. ; 23 cm. D. Jenney. Optics Problems Optics Problems, exercises, etc Geometrical optics Ophthalmic lenses Lenses RE971 .J34 1997 0900099178 : 90.00. PR-PUCPR 990528 20241007110407.0 221292