Infrared determination of organic structures / by Randall, H. M.

“…s.n.], 1949.…”

Applicatrions industrielles du... / by Deribere, Maurice

“…s.n.], 1949.…”

Historia de los elementos químicos. / by Weeks, Mary Elvira

“…s.n.], 1949.…”

Tratado de química inorgánica / by Riesenfeld, Ernesto J.

“…s.n.], 1949.…”

Isotopic carbon / by Calvin, Melvin

“…s.n.], 1949.…”

Constantes et donnes numeriques des corps purs de la chimie des corps gias. / by Parisot, A.

“…s.n.], 1949.…”

Chemistry and techology of enzymes. / by Tauber, H.

“…s.n.], 1949.…”

College botany : a basic course in plant science / by Hylander, Clarence J.

“…s.n.], 1949.…”

Práctical plant anatomy / by Foster, Adriance Sherwood

“…s.n.], 1949.…”

Field manual of plant ecology / by Gates, Frank C.

“…s.n.], 1949.…”

Hemoglobine et pigments apparentes : myoglobines, catalases, peroxidases,.. / by Benard, Henri

“…s.n.], 1949.…”

Trattato di farmacologia e farmacognosia / by Mascherpa, Pietro

“…s.n.], 1949.…”

Química medica farmacéutica : medicamentos orgánicos / by Jenkins, Glenn L.

“…s.n.], 1949.…”

Industrias lacteas / by Soroa y Pineda, José María De

“…s.n.], 1949.…”

Industria química en esquemas / by Vallejo, Francisco J.

“…s.n.], 1949.…”

Laboratory fractional distillation / by Carney, Thomas P.

“…s.n.], 1949.…”

Allyl chloride and other allyl halides /

“…s.n.], 1949.…”

Fabricazione del cacao, cioccolato e caramelle / by Kemeny, Victor

“…s.n.], 1949.…”

Experiencias recogidas en la traducción de la lista de encabezamiento de mate / by Penna, Carlos Victor

“…s.n.], 1949.…”