000 00347nam a2200133Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e1376
_aMAIN
041 _aEnglish
082 _a547.596 T664N
100 _aTownsend, Leroy B. ed.
245 0 _aNucleic acid chemistry: Improved and new synthetic procedure
260 _c1978
942 _cBK
999 _c200842
_d200842