00317nam a2200121Ia 4500008004100000082001800041100001900059245003400078250000800112260004300120300001000163650002200173150201s1956    xx            000 0 und d  a617.6bA1956C  aCOUPER , JAMES  aTHE ACTIOLOGY OF IRREQULATORY  a1ST  bBALLANTYNE COP PUBLICATIONaDELIc1956  a1-503  aGENERAL DENTISTRY