000			00401nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a572.84 _bDAV-P
100			_aDavidson, J N
245		0	_aProgress in Nucleic Acid Research
260			_bPenguin _aNew York _c1963
300			_a450p.
630			_xGeneral Stack
650			_aLife Sciences _vBiologyPhysiologyBiochemistry _xZoology
942			_cBOOK
999			_c32333 _d32333