000 00363nam a2200133Ia 4500
008 160316s1977 xxu||||| |||| 00| 0 eng d
020 _a0720406080
100 _aA Portoles
245 _aModern Trends In Bacterial Transformationa And Transfection
250 _a1
260 _aAMSTERDAM
_bNORTH-HOLLAND
_c1977
300 _a329
700 _aR Lopez
_aM Espinosa
999 _c24537
_d24537