00287nam a2200109 a 450000500170000002000150001708200210003210000180005324500470007126000380011830000210015620251203091939.0 a9810221924 a530.429,bD, liq aKumar, Satyen aLiquid crystals in the nineties and beyond aSingaporebWorld Scientificc1995 av, 457p.c23 cm.