The Crab nebula 
edited by R. D. Davies and F. G. Smith 
 - Dordrecht  D. Reidel Publishing  1971 
 - xix, 470p. 
 - IAU Symposium; no. 46 .
<br/><br/><label>ISBN: </label>90-277-0183-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crab nebula<br/>Emission nebulae<br/>Nebulae
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / IAU-S46