Martin, Alan An introduction to radiation protection / Alan Martin and Sam Harbison - 5th ed. - London : Hodder Arnold, 2006 - x, 201 p. : ill. ; 24 cm. References : p. 187-190 ISBN: 9780340885437 RM175.95 Subjects--Topical Terms: Radiation protection National Library of Medicine Call No.: WN650 / .M379i 2006 9HUKM