3061
Published: 2005.
3062
3063
3064
3065
Published: c2002.
3066
3067
3068
3069
3070
3071
3072
Published: 1965
Superior document: Transactions of the American Philosophical Society N.S.,55,2
3073
Published: 2009.
3074
3075
3076
3077
Published: 2008
3078
3079
3080