OsnabrÃ 1\/4 ck is located in south of the state , on the border with North Rhine-Westphalia . It shares an airport with the neighbouring city of MÃ 1\/4 nster which is located in North Rhine-Westphalia . It shares the MÃ 1\/4 nster OsnabrÃ 1\/4 ck International Airport together with the nearby city of MÃ 1\/4 nster .