23001
by PYE
Published 1995
23002
Published 1986
23003
Published 2005
23004
Published 2012
23005
Published 1997
23006
by Zhang
Published 2006
23007
Published 1993
23008
by DEIGHTON
Published 1975
23009
by LAING
Published 1988
23010
by Treitel
Published 1990
23011
by JUDD
Published 1993
23012
by Higgins
Published 1994
23013
by BLOOM
Published 1998
23014
by LIM SIEW MING
Published 1987
23015
by MAROTZ
Published 1993
23016
by MURRAY
Published 1985
23017
by GORMAN
Published 1994
23018
by FINDER
Published 1993
23019
by Randall
Published 1981
23020
Published 1971