一般注記Semiannual, <1997->
Imprint varies: Broomall, PA, 1988-19 ; Radnor, Pa., <fall 1990->
Description based on: Summer 1988; title from cover
Some issues combined; semiannual issues for <1997-> called <1st half 1997-> and <1997->
Physical description for original version: v. ; 28 cm
原資料等に関する注記原資料の出版事項: Broomall, PA : The Station
SUPTDOC番号: A 13.79: NE-352
GPO管理番号: 0083-B-06 (MF)
GPO管理番号: 0083-B-04 (MF)