Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!ucsd!rutgers!att!ulysses!andante!alice!andrew From: andrew@alice.UUCP (Andrew Hume) Newsgroups: comp.unix.wizards Subject: Re: new 4.3BSD Unix Internals book Summary: some clarification Message-ID: <8845@alice.UUCP> Date: 28 Jan 89 17:05:03 GMT References: <568041@vaxa.uwa.oz> <362@microsoft.UUCP> <2248@unmvax.unm.edu> Organization: AT&T Bell Laboratories, Murray Hill NJ Lines: 20 this is not the right forum for a discussion of library cataloging but at least i can clarify some of teh questions: 1) the "p. cm." is an incomplete field that gives number and dimension of the pages. typically only the height is given; e.g. 275p. 23cm. 2) the isbn 0-201-06196-1 has a four parts: the leading zero is for backward compatibility with sbn's (the old style of book numbers). the second number is a publisher number (small houses have long numbers, large publishers have small numbers). the third number is a per-publisher number. the four number, or more precisely last digit, is a checksum and can be an X. the checksum is == 0 mod 11 of the sum of the weighted digits; the weights start at 2 for the rightmost digit and increase by one towrads the left. 3) the 88-22809 is the library of congress number and CIP means cataloging in progress which is also why the other fields are incomplete. this format is called MARC format and your library would have a reference on it.