Modelling the distribution of stamp paper thickness via finite normal mixtures: The 1872 Hidalgo stamp issue of Mexico revisited

Izenman and Sommer (1988) used a non-parametric Kernel density estimation technique to fit a seven-component model to the paper thickness of the 1872 Hidalgo stamp issue of Mexico. They observed an apparent conflict when fitting a normal mixture model with three components with unequal variances. This conflict is examined further by investigating the most appropriate number of components when fitting a normal mixture of components with equal variances.

A review of squeaking in ceramic total hip prostheses

The occurrence of audible squeaking in some patients with ceramic-on-ceramic (CoC) hip prostheses is a cause for concern. Considering multifactor contributing to this phenomenon, many studies have been conducted over the last decade. Great efforts have been put on understanding the mechanics of the hip squeaking to gain a deep insight into factors resulting in sound emission from hip articulation. Disruption of fluid-film lubrication and friction were reported as main potential causes of hip squeaking, while patient and surgical factors as well as design and material of hip implants were identified as affecting factors. This review article therefore summarised the recent available literature on this subject to provide a platform for future developments. Moreover, high wear rates and ceramic liner fracture as viable consequences of hip squeaking were discussed.

Larval life in the leaves: arboreal tadpole types, with special attention to the morphology, ecology, and behavior of the Oophagous Osteopilus brunneus (Hylidae) larva / Michael J. Lannoo, Daniel S. Townsend, Richard J. Wassersug.

n.s. no.38(1987)

Report of Her Majesty's Commissioners appointed to inquire into the state, discipline, studies, and revenues of the University of Dublin, and of Trinity College : together with appendices, containing evidence, suggestions, and correspondence. /

Title is preceded on title page by: Dublin University Commission.

The Bridgewater Gallery : one hundred and twenty of the most noted paintings at Bridgewater House /

The collection originally belonged to the Duke of Bridgewater and was inherited by and later added to by the Earls of Ellesmere.

The transparency by black and white Secchi disc of the waters of New York and Newport Bights : Cruise STIRNI I, July-September 1951 /

Caption title.

Despatches, correspondence, and memoranda of Field Marshal Arthur, duke of Wellington, K. G.,

v.1. 1819-1822.--v.2. 1823-1825.--v.3. 1825-1827.--v.4. 1827-1828.--v.5. 1828-1829.--v.6. 1829-1830.--v.7. 1830-1831.--v.8. 1831-1832.

History of Richard Cromwell and the restoration of Charles II,

"Illustrative letters: Correspondence of M. de Bordeaux, French ambassador in London, with Cardinal Mazarin and the Count de Brienne": v. 1, p. [229]-498; v. 2, p. [265]-450.

Memoir of the operations of the allied armies, under Prince Schwarzenberg, and Marshal Blucher, during the latter end of 1813, and the year 1814,

Mode of access: Internet.

Memorials of transactions in Scotland, A.D. MDLXIX-A.D. MDLXXIII /

Includes index.

Mental depression : its cause and treatment : based on modern medical reform science and successful practical experience, lucidly explained for the purpose of self-treatment without medicine / y Richard J. Ebbard.

Mode of access: Internet.

The poetical works of Thomas Buchanan Read ; complete in three volumes.

Mode of access: Internet.