42 computer services, namely, leasing access time to computer database, computer databases in the nature of computer bulletin boards, and computer networks, research and reference materials and career and job placement assistance in the fields of agriculture; astronomy and meteorology; biology and microbiology; biomedicine; botany; business; chemistry; computer and information technology and software; ecology; economics; education; engineering; environment; food research; genetics; geography; geology; history; hydrology; industrial design and research; literature; management; manufacturing; materials research, mathematics; medicine; operations research; pharmacology; philosophy; physics; psychology; social research; sociology; statistics; technology; telecommunications; and veterinary research