000 00303nam a2200109Ia 4500
100 _aSambrook J & Fritsch E F
250 _aEdn 2
245 _aMolecular Cloning : A Laboratory Manual Vol 1 .-Edn 2
260 _bCold Springer Harbor Lab, U S A
082 _aG11:6/N89.1/B21771
300 _app 87; 27*23
999 _c38459
_d38459