01219cas a2200337I 45000010008000000030006000080050017000140080041000310100013000720220014000850350012000990400043001110420009001540500013001630820018001762100014001942220017002082450049002252460030002742600057003042650093003613000051004543100011005055000070005165500077005866500025006637100046006887100033007347300028007677670086007952251937OCoLC20180921155337.0760620c19659999iluar1 0 a0eng  a650217760 a0080-7621 a0623018 aDLCcMULdIULdNYGdNSDdOCLdNSTdPIT ansdp00aQ9b.S33 aREF 032bZ49S0 aSci. year 0aScience year00aScience year;bthe World Book science annual14aWorld book science annual aChicago,bWorld-Book Childcraft International [etc.] aWorld Book - Childcraft International, Inc., Merchandise Mart Plaza, Chicago, Ill. 60654 av.bill. (part col.) ports. (part col.)c26 cm aAnnual a"A review of science and technology during the 19 school year." aFormerly published by Field Enterprises Educational Corporation, 1965-  0aSciencexPeriodicals21aField Enterprises Educational Corporation20aChildcraft International Inc00aKʻo hsüeh nien chien0 tScience year. Chinese. Kʻo hsüeh nien chienw(DLC)sn 92037485w(OCoLC)26832154