00432nam a22000857a 4500008004100000040005500041245016500096260006600261500001900327230718b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aInformation sciences: bConference, symposia, reviews, supporting research and stinfo activitiesc/ Defense Documentation Center Alexandria, Virginia March 1972  aWashington: bNational Technical Information Services, c1972  aVol. IV of IV