Legaspi-Ochotorena, Z. (1968). Recovery of silver from photographic wastes.
Dyfyniad Arddull ChicagoLegaspi-Ochotorena, Zenaida. Recovery of Silver from Photographic Wastes. Quezon City, 1968.
Dyfyniad MLALegaspi-Ochotorena, Zenaida. Recovery of Silver from Photographic Wastes. 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.