00280nam a2200121 a 450000500170000002000150001708200180003210000060005011000150005624500140007126000490008530000240013420251203090442.0  a9027708134  a425,bDD, Que  d_  aHiz, Henry  aQuestions  aLoNew DelhionbD.Reidel Publishing Co.c1979  axvii, 366p., 22 cm.