LEADER 00000nam 2200193 a 4500 001 0269992 003 UkHlHU 007 t 008 000204 1 1974 000 eng 040 UkHlHU 050 4 QP 801 N9 T8 100 0 Ts'O, Paul On Pong. 245 00 Basic principles in nucleic acid chemistry. 260 New York :|bAcademic Press,|c1974. 300 2v. 946 020 absent -- ISBN check required 946 6XX absent
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