Thewlis, James 1905- creator text Oxford New York Pergamon Press [1973] [1st ed.] monographic viii, 366 p. 26 cm. [by] J. Thewlis. Errata slip inserted. Physics Dictionaries Physics Dictionary REF QC5 .T4 1979 530/.03 QC 5 T419c 1973 0080169007 72010122 UOEL 000 20150629114031.0 000