00270nam a2200133Ia 4500020001800000082001000018100001400028245003300042250000600075260003300081300000700114500000900121650000600130  a81-224-0356-5  a537.6  aWeiske W. 0aApplication of the Thyristor  a-  aN. DelhibWiley Eastern Ltd.  a65  a1111  a-