000 00516nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a574.19297 LAS
100 _aLascelles, June
245 _aTetrapyrrole biosynthesis and its regulation
260 _bW. A. Benjamin
_aNew York
_c1964
999 _c151798
_d151798