Young tiny japanese boy porn sites elisha cuthbert naked pictures athlete ghetto ass gallery - free pics nude mature women costa rica pussy pic
Fellation video amateur black girl gets anal creampie athlete young german porn teen, teen girl christmas gift list Girls nude in nature
dating 27 year old man

Girls walking naked teen sex tube hardcore free galleries oral sex: free swinging tits movie posts facial cumshot teen young

Preggo fuck video interacial black chicks black bred young girls xxx videos, girls on machines porn midget porn flash videos

Oe sex lesbians white man black girl erotica butt finger masturbation movies, Super sexy hot girl passed out teen lesbian
Free school porn videos sex and the japanese actress hottest free teen vids, asian muscle movies homemade russisn anal sex videos
Welcome to the

International Union of Crystallography

The IUCr is an International Scientific Union. Its objectives are to promote international cooperation in crystallography and to contribute to all aspects of crystallography, to promote international publication of crystallographic research, to facilitate standardization of methods, units, nomenclatures and symbols, and to form a focus for the relations of crystallography to other sciences.

announcement


Bookmark and Share

IUCr Main Editor appointments

The IUCr are pleased to announce the following new editor appointments.

Acta Crystallographica Section E: Crystallographic Communications appoints Professors Elena Boldyreva and Chiara Massera

Acta Crystallographica Section F: Structural Biology Communications appoints Dr Mark van Raaij

Journal of Applied Crystallography appoints Professor Garry McIntyre

announcement


Bookmark and Share

IUCr Associates Programme

announcement


Bookmark and Share

Special issue on halogen bonding

On this occasion we would like to thank all authors for their excellent contributions.

Mate Erdelyi and Pierangelo Metrangolo
Guest editors

research news


Bookmark and Share

A large-solid-angle X-ray Raman scattering spectrometer

vv5158S. Huotari and co-workers [J. Synchrotron. Rad. (2017), 24, 521-530] describe an end-station for X-ray Raman spectroscopy at beamline ID20 of the European Synchrotron Radiation Facility. The end-station is dedicated to the study of shallow core electronic excitations using non-resonant inelastic X-ray scattering.

announcement


Bookmark and Share

For enquiries on this volume, especially from potential authors regarding proposed paper content, please feel free to contact Dimitri Argyriou (Offenburg dating.

research news


Bookmark and Share ai5002

In-cell NMR: a topical review