00707nam a2200193Ia 4500 230719s1987 xx 000 0 und d QA 5 P53 1987 10532 Philippine science encyclopedia division II - Mathematical, physical and earth science. Bicutan, Taguig National Research Council of the Philippines (NCRP) 1987. 308 pages Accession No. 8601 was reaccession from 238. update call number AS SCHOOL OF ARTS, SCIENCES AND TEACHER EDUCATION Earth sciences Mathematics Arcellana, Emerenciana Y. [and others] editor lcc Q QA REF 81958 81958