A compilation of the Document or its derivatives with other - separate and independent documents or works, in or on a volume of - a storage or distribution medium, does not as a whole count as a - Modified Version of the Document, provided no compilation - copyright is claimed for the compilation. Such a compilation is - called an "aggregate", and this License does not apply to the - other self-contained works thus compiled with the Document, on - account of their being thus compiled, if they are not themselves - derivative works of the Document.
If the Cover Text requirement of section 3 is applicable to - these copies of the Document, then if the Document is less than - one quarter of the entire aggregate, the Document's Cover Texts - may be placed on covers that surround only the Document within the - aggregate. Otherwise they must appear on covers around the whole - aggregate.