L`Amour, Louis
The key-lock man
Bantam Book, 1965
Buku Teks
Egan, William F.
Frequency synthesis/ Phase Lock
John Wiley & Sons, 1981
Buku Teks
Dewi Anggraeni
Parallel forces
Indra Pub, 1988
Buku Teks
Kihara, Taro
Intermolecular forces
John Wiley & Sons, 1978
Buku Teks
Casson, Lionel
Ships and seafaring in ancient times
British Museum Press, 1994
Buku Teks