000 00485nam a2200181 a 4500
003 AR-LpUBP
005 20231114182532.0
007 ta
008 090908s1938 xxu g 000 0 eng d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
100 1 _aMcknight, David
_943996
245 1 0 _aA study of patents on petroleum cracking
260 _aTexas :
_bUniversity of Texas,
_c1938.
300 _a627 p. ;
_c21 cm.
490 0 _aPublication ;
_v3831
942 _cBK
999 _c51513
_d51513
988 _c