00314nam a2200121Ia 4500008004100000040001700041041001200058082001800070100003000088245002800118260003400146300001200180230917s9999||||xx |||||||||||||| ||und||  e118530aMAIN  aEnglish  a547.413 V671C  aViehe , Heinz Gunter, ed. 0aChemistry of acetylenes  aNew YorkbMarcel Dekkerc1969  a1298 p.