RY Sagittarii

RY Scorpii

RY Sct UBVR photometry (Djurasevic+, 2001)

RY Scuti-Correction to earlier report

RY Scuti-Observations at 10,500 MHz

RY SGR during the 1967-68 minimum: a blue continuum and other spectroscopic and photometric observations

Ry Sgr during the 1967-8 minimum: A blue continuum and other spectroscopic and photometric observations.

RY Tau in 1996 (Petrov+ 1999)

RY Tauri

RY Tauri at High Brightness

RY Vulpeculae ist konstant

Rychtmyer-Meshkov instability and solid $^4$He melting driven by acoustic pulse

Rydberg atom formation in strongly correlated ultracold plasmas

Rydberg atom mediated polar molecule interactions: a tool for molecular-state conditional quantum gates and individual addressability

Rydberg Atoms in a Magnetic Guide

Rydberg atoms in curved space-time

Rydberg Atoms in Magnetic Quadrupole Traps

Rydberg atoms in one-dimensional optical lattices

Rydberg Atoms Ionisation by Microwave Field and Electromagnetic Pulses

Rydberg Borromean Trimers