000 nam a22 7a 4500
999 _c4966
_d4966
003 OSt
005 20170813105805.0
008 170812b xxu||||| |||| 00| 0 eng d
040 _cNARA
100 _913763
_aRatnayake, Winston E.
245 _aScience Education Series No-10 :Mutatation and Envioronmental Mutagens
260 _aSri Lanka,
_bNatural Resources Energy & Science Authority,
_c1983,
300 _a77p.
_c23cm.
650 0 _913764
_aMutatation and Envioronmental Mutagens
650 0 _913754
_aScience Education Series
942 _2udc
_cSL-B