000 00341nam a2200109Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aProceedings of the National Academy Of Sciences of the United States of America
260 _c1951
_bAmerican Society for Microbiology
_aWashington
300 _aP. 1-531
942 _cJRBV
999 _c20608
_d20608