@book{206,
	author = {Harris, Michael},
	title = {Opportunities upper intermediate},
	address = {London},
	note = {Class Cassette 1: side 1: modules 1-2; side 2: modules 3-4. Class Cassette 2: side 1: modules 5-16; side 2: modules 7-8. Class Cassette 3: side 1: modules 9-10; side 2: lit. spots 1-5}
}