00462cam a22001814a 4500003001000000005001700010008004100027040002500068041000800093044000700101080001200108100002100120245004400141260003000185650002400215655001900239700002200258AR-SsjUIB20250716140134.0250429s1961    mx            000 0 spa d  aAR-SsjUIBcAR-SsjUIB0 aspa  amx  a03:66.01 aKirk, Raymond E.10aEnciclopedia de tecnología química.  aMéxico :bUteha,c1961. 7aEnciclopedias2lemb 7aLibro2unescot1 aOthmer, Donald F.