00537     2200217   4500001002100000005001500021035002000036007000300056008004100059020000600100082000800106084001400114100001500128245006300143250000600206260003600212300003200248650001100280520000600291990002200297INLIS00000000039495920180320120032  a0010-0318000311ta180320                d          | ind    a-  a534  a534 HAS s0 aHasan Amin1 aSeri Dasar Ilmu Pengetahuan Alam 11 :bBunyi /cHasan Amin  a-  aJakarta :bBalai Pustaka,c1977  a32 hlm. :bIlust. ;c20 cm.  aFisika  a-  a00271/PS/H/I/1995