000 00342nam a22001097a 4500
008 230317b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
100 1 _93516
_6Weinstein , boris
245 _aPeptides: chemistry and biochemistry
260 _bMarcel Dekker
_c1970
_aNew york
942 _2udc
_cBK
999 _c65214
_d65214