000 00336 a2200121 4500
080 _a547.963.32:575.114(063)
_bC 635 R
245 1 _aRecombnant DNA
_bProceedings
_cedited by A.G. Walton
260 _aAmsterdam
_bElsevier Scientific Publishing Co.
_c1981
650 _aRecombinant DNA
100 _a
_d
300 _a310 p.
901 _a154955
999 _c68420
_d68420