1. Two stage Gifford-McMahon cycle cryorefrigerator operating at 20 K;Thirumaleshwar;Cryogenics,1986
2. Theoretical analysis of a dynamically balanced Gifford-McMahon cryorefrigerator;Minas;Cryogenics,1994
3. Analysis of a dynamically balanced Gifford-McMahon cold head;Minas;Advances in Cryogenic Engineering,1993
4. Performance of a dynamically balanced Gifford-McMahon cryogenic refrigerator cold head;Ackermann;Advances in Cryogenic Engineering,1993
5. Minas C, Herd KG, Laskaris ET. United States Patent Number 5,129,232, Vibration isolation of superconducting magnets. 14 July 1992